Choosing Commercial Shelving for Your Kitchen:

Choosing Commercial Shelving for Your Kitchen: — Craven Cooling

Choosing Commercial Shelving for Your Kitchen: The Complete UK Guide (2026)

Commercial shelving is the cheapest equipment category in the kitchen and the one that causes the most EHO comments per pound spent. Get it wrong and you get food stored on the floor, chrome wire rusting in the walk-in, and brackets pulling out of plasterboard under a stack of stockpots. This guide covers the four decisions that matter: wall shelving versus freestanding racking, wire versus solid surfaces, the finish that survives your environment, and the load ratings and hygiene rules — including the 150mm off-floor clearance that Environmental Health Officers look for on every inspection.

Key Facts: Commercial Kitchen Shelving (UK, 2026)
  • The 150mm rule: food should be stored clear of the floor — 150mm is the industry-standard clearance for cleaning and pest inspection, flowing from the hygiene requirements of retained Regulation (EC) 852/2004.
  • Wall shelf vs racking: a wall shelf frees space above benches but carries less (typically 40–60 kg UDL); four-tier racking holds 4× the volume and doesn’t depend on the wall. Most kitchens need both.
  • Wire vs solid: wire allows airflow — best in coldrooms and dry stores. Solid stainless catches drips and takes point loads — best above prep benches and in wash-up areas.
  • Chrome wire is NOT coldroom-safe: the plating corrodes in condensing humidity within 12–24 months. For walk-ins, specify nylon/epoxy-coated wire or 304 stainless.
  • Load ratings are UDL: quoted capacities assume a Uniformly Distributed Load. Halve the rating for concentrated loads like stockpots and mixer bowls.
  • Manual handling heights: HSE manual handling guidance puts the safe lifting zone between knuckle and shoulder height — heavy stock lives at roughly 700–1,400mm, never on the top tier.
  • Typical UK prices (July 2026): Vogue chrome wire twin pack £75.62 + VAT; 4-tier wire tower £100.33 + VAT; stainless wall shelf 1200mm £108.80 + VAT, 1800mm £143.90 + VAT.
  • Aisle planning: 900–1,000mm minimum between facing racking runs; 610mm-deep bays against walls, 300mm-deep wall shelves above benches.

Shelving is the equipment category buyers spend the least time on and regret the fastest. A £75 twin pack of wire shelves specified correctly will still be square and rust-free in ten years; the same £75 on the wrong finish will be flaking chrome into your walk-in salad boxes inside two winters. The difference isn’t price — it’s knowing which surface, material, and format belongs in which zone, plus the load maths that stops shelves bowing and the hygiene layout rules EHOs actually check.

This guide is for the trade buyer fitting out or refitting a commercial kitchen — restaurant and gastropub operators, café owners, contract caterers, and care home and school kitchen managers. Domestic shelving and retail gondola display are out of scope. Browse the shelving and storage racks range and the stainless steel fabrication range when ready.

Table of Contents
150mm Minimum floor clearance for stored food — the detail EHOs check on every dry store and coldroom inspection
÷2 Halve the quoted UDL rating for concentrated point loads — a stockpot is not a uniformly distributed load
£75.62 Vogue chrome wire shelves 1220×610mm twin pack + VAT — commercial storage from under £40 per shelf
Chrome in the coldroom: the £300 mistake made in half of UK walk-ins Bright chrome wire is built for dry, ambient environments. In a walk-in chiller, condensing humidity attacks the plating at every weld point — within 12–24 months you get orange rust blooms directly above open food. An EHO will flag corroded shelving as a contamination risk and a cleanability failure under Regulation 852/2004, and the fix is a full strip-out plus the coated or stainless shelving you should have bought on day one. If a shelf goes anywhere below 5°C or gets washed down daily, chrome is the wrong answer.
12–24 Months before bright chrome shelving shows rust in a walk-in chiller

Decision 1: Wall Shelving vs Freestanding Racking

The first decision is structural, and it’s driven by two things: what your walls can carry, and how much volume you need to store. Wall shelving hangs dead space above benches, sinks, and passes back into service. Freestanding racking turns floor area into vertical storage volume. They solve different problems, and most kitchens need a mix of both.

Table: Wall Shelving vs Freestanding Racking (UK, 2026)
Factor Wall-mounted shelf Freestanding racking
Floor space used None — reclaims air above benches 610×610mm to 1220×610mm footprint per bay
Typical safe load 40–60 kg UDL per shelf (bracket- and wall-dependent) 100–300 kg UDL per tier, frame-dependent
Depends on wall structure Yes — useless on unreinforced plasterboard No — self-supporting on adjustable feet
Best locations Above prep benches, pot wash, service pass, coffee station Dry store, coldroom, cellar, back-of-house corridor bays
Installation Drilled and fixed — 30–60 minutes per shelf, correct fixings essential Tool-free or minimal assembly — 15–20 minutes per bay
Reconfigurable later No — fixed height, leaves holes if moved Yes — adjustable tier heights, whole unit relocates
Best value pick Vogue stainless wall shelf 1200mm — £108.80 + VAT Vogue 4-tier wire tower 610×610mm — £100.33 + VAT

The wall shelf earns its keep in the working zone — 1,400–1,800mm above floor level, where a chef reaches without stretching. It adds productivity, not volume. Racking adds the volume: a 4-tier tower on a 610×610mm footprint gives roughly 1.5 square metres of shelf area on a third of a square metre of floor, and runs of 1220mm wire bays will swallow a weekly dry goods delivery for a 60-cover restaurant with room for first-in, first-out rotation.

Wall fixing reality check: a shelf is only as strong as what it’s screwed into. Masonry with sleeve anchors carries the full bracket rating; timber studs carry it if you hit the centres; unreinforced plasterboard carries almost nothing. If the wall is stud-and-board, fix a bearer across multiple studs first — or use freestanding racking instead.

Decision 2: Wire vs Solid Shelf Surfaces

Once you know the format, choose the surface. This is the decision that determines how the shelf behaves around food, moisture, and cleaning — and it’s zone-specific, not a whole-kitchen preference.

Table: Wire vs Solid Shelf Comparison
Factor Wire shelf Solid stainless shelf
Airflow through shelf Excellent — critical in coldrooms for even air temperature None — blocks vertical air circulation
Catches drips and spills No — spills fall through to the tier or floor below Yes — contains the spill on one level
Dust accumulation Minimal — nowhere for dust to settle Full surface needs wiping on a schedule
Point-load behaviour Individual wires can deform under heavy concentrated weight Distributes point loads well — takes stockpots and mixer bowls
Small items Ramekins and lids tip through gaps without liner mats Flat, stable surface for any item size
Cleaning Fiddly by hand; coated versions often have removable washable mats Fast wipe-down; joins to wall with sealed upstand if fabricated
Best zones Dry store, coldroom, freezer room, cellar, chemical store Above prep benches, wash-up, service pass, bakery

The coldroom argument for wire is thermodynamic. A walk-in circulates evaporator air across the product; solid shelves loaded edge-to-edge create dead zones where the middle of a stack sits 2–3°C warmer than the thermostat reports. Under the Food Safety (Temperature Control) Regulations 1995, chilled food must be held at 8°C or below — and that’s exactly where it fails silently. The prep-area argument for solid stainless is the reverse: anything on a wire shelf above a bench can drip or shed debris onto the work surface, and a solid shelf intercepts it. Hence the standard fit-out — solid above benches, wire in the stores.

Never store raw above ready-to-eat — shelving is where cross-contamination layout starts The vertical order of a coldroom is fixed by food safety: ready-to-eat and cooked foods on top tiers, raw meat and fish on the bottom, always covered. Wire shelving makes this more important, not less — raw chicken on a wire tier drips straight through to whatever sits below. Food Standards Agency cross-contamination guidance treats storage order as a critical control, and it’s the first thing an EHO checks at your walk-in door.

Decision 3: Material and Finish by Kitchen Zone

Shelving materials fail by corrosion, and corrosion is driven by the environment, not the load. Match the finish to the zone and the cheapest option that survives is the right one.

Bright Chrome Wire

From £37.81/shelf + VAT (twin pack)
  • Zinc/chrome-plated steel wire
  • Best for: dry stores, cellars, ambient back-of-house
  • Excellent value, high load capacity
  • NOT for coldrooms or daily wash-down
  • Rusts at weld points in condensing humidity

Nylon/Epoxy-Coated Wire

Sourced to spec
  • Polymer coating over steel wire
  • Best for: walk-in chillers and freezers
  • Handles condensation and sub-zero temperatures
  • Check coating integrity yearly — chips expose steel
  • Modest price premium over chrome

304 Stainless Steel

From £108.80 + VAT (1200mm shelf)
  • 18/8 austenitic stainless — the food-industry standard
  • Best for: prep areas, wash-up, anywhere splashed or sanitised daily
  • Tolerates chemicals, salt, steam, and scrubbing
  • Lifetime of the building if cleaned properly
  • Highest upfront cost, lowest lifetime cost

Aluminium / Polymer Racking

Sourced to spec
  • Anodised alloy uprights, removable polymer shelf boards
  • Best for: freezer rooms, dishwasher-cleanable hygiene areas
  • Shelf boards go through the pot wash
  • Lighter load ratings than steel wire
  • Premium price — specify where hygiene audits demand it

The rule that holds across every zone: if it gets wet, cold, or chemically cleaned, chrome is out. Dry store and cellar — chrome wire lasts a decade. Walk-in chiller or freezer — coated wire or stainless, no exceptions. Prep and wash-up walls — 304 stainless, the only finish that shrugs off daily sanitiser. For stainless grades across the wider fit-out, read 304 vs 430 stainless steel for commercial kitchens. And the chemical store: bulk sanitiser and detergent belong on their own dedicated racking, physically separated from food, ideally lockable — a leaking 5-litre detergent drum wicks along wire and drips exactly like raw chicken does.


Decision 4: Load Ratings and Safe Loading

Every shelving failure we’ve seen in 30+ years of trade supply comes down to point loads treated as distributed loads, heavy stock on top tiers, or wall fixings never rated for the job. All three are avoidable with five minutes of arithmetic.

Manufacturers quote shelf capacity as a UDL — Uniformly Distributed Load: weight spread evenly across the whole surface. Real kitchens don’t load like that. A full 50-litre stockpot concentrates 55 kg onto a 400mm circle, stressing the centre span far harder than the same weight spread out. The working rule: halve the quoted UDL when the load is concentrated. A tier rated at 200 kg UDL is roughly 100 kg of real-world clustered stock — a very different number when you’re planning where the bulk oils live.

Worked Example: Loading a 4-Tier Wire Bay for a 60-Cover Kitchen Dry Store
Tier 4 (top, above 1,600mm): light goods — napkins, takeaway boxes, film & foil~10 kg
Tier 3 (shoulder height): daily-use dry goods — pasta, rice, pulses in containers~35 kg
Tier 2 (waist height, prime zone): heavy movers — 25 kg flour, 20 L oil, sugar sacks~70 kg
Tier 1 (bottom, 150mm+ clear of floor): bulk sealed stock — tins, water, canned goods~80 kg
Total bay load vs typical 4-tier capacity195 kg loaded
Heaviest stock sits between knuckle and shoulder height — the HSE safe lifting zone — and no tier carries a concentrated load above half its rating

Height logic matters as much as weight logic. HSE manual handling guidance is blunt: lifting capacity drops sharply below knuckle height or above shoulder height. A 25 kg flour sack pulled down from above the shoulders is how kitchens generate back injuries and dropped-load accidents. Heavy stock on the middle tiers, light bulky stock up top, stable sealed stock on the awkward bottom lift.

Never climb the racking Freestanding towers are stable under vertical load and dangerously unstable under a horizontal pull — exactly the force applied when someone uses a tier as a step. If staff routinely need the top tier, put a kick step in the dry store; it costs less than one reportable fall. For tall bays in busy corridors, anchor the top of the frame back to the wall — ten minutes, and tip-over risk is gone.

Decision 5: The 150mm Rule and Hygiene Layout

Ask any Environmental Health Officer what they check in the first sixty seconds of a dry store inspection: the floor line. Stock on the floor means the floor can’t be cleaned and pests can harbour unseen. The 150mm figure isn’t quoted verbatim in legislation — what retained Regulation (EC) 852/2004 requires is that premises be kept clean, floors be cleanable, and food be protected from contamination. 150mm bottom-tier clearance is the industry-standard interpretation that makes those requirements achievable, and it’s the benchmark EHOs and auditors apply. Adjustable-foot racking makes compliance free: set the bottom tier one position up and the clearance is built in.

1
Nothing on the floor — ever

Not “temporarily”, not “just until lunch”. Build enough shelf capacity that a full weekly delivery decants straight onto racking and the floor stays permanently clear.

2
150mm minimum bottom-tier clearance

Enough to mop, scrub, and visually inspect beneath every bay. In wash-down areas, more clearance is better — 300mm lets a compact floor scrubber pass under.

3
Pull shelving 25–50mm off the wall

A small gap stops trapped moisture, lets air circulate, and makes wall inspection possible without unloading the bay.

4
Raw below ready-to-eat, always

Cooked and ready-to-eat food on upper tiers; raw meat, poultry, and fish on the lowest tiers in lidded containers. Drips can only fall downwards.

5
Chemicals on separate, dedicated racking

Cleaning chemicals never share a bay with food or packaging. A separate rack in a separate area — ideally lockable — is the standard an EHO expects and the layout your COSHH assessment assumes.

6
Label tiers and enforce first-in, first-out

Fixed tier labelling turns stock rotation from a training point into a physical system. Date-mark decanted goods and work new deliveries to the back of the shelf.


Decision 6: Planning the Layout Zone by Zone

Shelving is bought by the shelf but planned by the room. Walk each zone with a tape measure and ask: what’s stored here, how heavy, how wet or cold, and what has to pass through the aisle?

Table: Shelving Specification by Kitchen Zone
Zone Format Surface / finish Planning notes
Dry store Freestanding wire bays, 1220×610mm Chrome wire 900–1,000mm central aisle; bottom tier 150mm+ clear
Walk-in chiller Freestanding wire bays sized to room Nylon/epoxy-coated wire or stainless Keep 100mm+ off walls; raw meat lowest tiers; never block the evaporator
Freezer room Freestanding bays, fewer/deeper tiers Coated wire or aluminium/polymer Chrome fails fastest here; gloves make handling clumsy — avoid high tiers
Prep line walls Wall shelves 1200–1800mm, 300mm deep 304 stainless solid Underside 450–500mm above bench; daily-use items only, within reach
Wash-up / pot wash Wall shelves over sink runs 304 stainless solid Drainage-friendly stacking; tolerate steam and chemical splash
Small kitchen / corner gaps 4-tier tower 610×610mm Chrome wire (ambient zones) Fits dead corners and alcoves; mobile versions available sourced to spec

Two dimensions catch buyers out. Depth: 610mm racking suits gastronorm containers and sacks; 300mm is right for wall shelves above benches. The aisle: two facing runs of 610mm racking in a 2.4m store leaves a comfortable 1,180mm; the same runs in a 1.8m store leave 580mm — no trolley access, and two people can’t pass. If the room is tight, single-side the racking rather than building a store nobody can work in.


UK Price Tiers — July 2026

Wire Shelves (Twin Pack) £75.62 + VAT Vogue chrome wire 1220×610mm ×2 — dry store value pick
4-Tier Tower £100.33 + VAT Vogue 610×610mm complete unit — corners and small stores
Stainless Wall Shelf 1200mm £108.80 + VAT Vogue 304-grade solid shelf for prep and wash-up walls
Stainless Wall Shelf 1800mm £143.90 + VAT Full-bench-length stainless shelf — one span, no joins

Commercial Shelving We Stock

The Vogue range covers the three formats most kitchens need: solid stainless wall shelves, chrome wire for ambient stores, and the compact 4-tier tower. Stocked July 2026. Prices + VAT.

Stainless Wall Shelf
Vogue Stainless Steel Kitchen Shelf 1200mm Y751
£108.80 + VAT — Craven Cooling trade price Prep-line standard
  • 1200mm stainless steel shelf with brackets
  • Solid surface — intercepts drips above benches
  • Wipes clean with standard sanitiser
  • Fix to masonry or stud centres with rated fixings
  • Suits prep, wash-up, and service pass walls

The workhorse wall shelf for a standard prep bench: reclaims dead space above the work surface and handles daily chemical clean-downs that would destroy coated finishes.

View 1200mm Shelf →
Stainless Wall Shelf — Long
Vogue Stainless Steel Kitchen Shelf 1800mm Y753
£143.90 + VAT — Craven Cooling trade price Full-bench span
  • 1800mm stainless steel shelf with brackets
  • Single continuous span — no join to trap grime
  • Matches a standard 1800mm prep bench run
  • Use three brackets over long spans for heavy loads
  • Same easy-clean stainless build as the 1200mm

One 1800mm shelf beats two shorter shelves butted together: no centre join collecting grease and one clean line to wipe. Fit an extra bracket mid-span for heavy pan loads.

View 1800mm Shelf →
Wire Shelving
Vogue Chrome Wire Shelves 1220×610mm (2 Pack) U893
£75.62 + VAT — Craven Cooling trade price Dry store value pick
  • Two 1220×610mm chrome wire shelves
  • Open wire — airflow, light, and no dust traps
  • 610mm depth suits gastronorm containers and sacks
  • For ambient zones — dry store, cellar, back-of-house
  • Pairs with standard wire shelving uprights

At £37.81 + VAT per shelf, the cheapest compliant way to get stock off the floor in ambient stores. Keep them out of the walk-in — ask us about coated wire for chillers and freezers.

View Wire Shelves →
Compact Racking
Vogue 4 Tier Wire Tower Unit 610×610mm U884
£100.33 + VAT — Craven Cooling trade price Small-footprint storage
  • Complete 4-tier freestanding unit, 610×610mm
  • Adjustable tier heights — set bottom tier 150mm+ clear
  • Self-supporting — no wall fixing required
  • Fits corners, alcoves, and cellar dead space
  • Roughly 1.5m² of shelf area on 0.37m² of floor

A complete four-tier bay that assembles in twenty minutes and needs nothing from the wall behind it. One tower absorbs the dry goods overflow that otherwise ends up on the floor.

View 4-Tier Tower →
Coldroom shelving, coated wire, or a full fabrication package? Craven Cooling stocks or sources coated coldroom shelving, heavy-duty racking bays, mobile shelving, and bespoke stainless fabrication made to your dimensions. Call 01792 732702 or email sales@cravencooling.co.uk with your room dimensions and zones — we’ll spec the bays, finishes, and fixings and quote the lot.

Installation and Loading Checklist

Run this list on every new bay and every wall shelf before it takes stock.

  • Confirm the wall construction before fixing wall shelves Masonry takes anchors at full rating; studs need screws into the centres; bare plasterboard is not a fixing substrate — use a bearer or go freestanding.
  • Level the feet before loading racking A bay rocking on three feet concentrates load unevenly and walks across the floor. Level it empty, then load it.
  • Set the bottom tier at 150mm minimum clearance Check with a rule, then confirm a mop head passes underneath — that’s the test the EHO applies.
  • Load heavy stock between knuckle and shoulder height Flour, oils, and stockpots on the middle tiers; light and bulky up top; stable sealed bulk on the bottom.
  • Respect the UDL — and halve it for point loads If a tier visibly bows, it’s overloaded — redistribute today, not after it fails.
  • Keep chrome out of cold and wet zones Chillers, freezers, and wash-down areas get coated wire, stainless, or aluminium/polymer. Chrome stays ambient and dry.
  • Separate chemical racking from food racking Different bay, different area, ideally lockable. Never a shared bay.
  • Diary a quarterly shelving inspection Rust blooms, chipped coatings, bowed tiers, loose brackets. Ten minutes a quarter catches the £30 fix before the £300 strip-out.

All Shelving Formats We Stock or Source

Product / format Type Best zone Trade price + VAT
Vogue Stainless Kitchen Shelf 1200mm Y751 ★ Wall shelf, solid stainless Prep line, wash-up, pass £108.80
Vogue Stainless Kitchen Shelf 1800mm Y753 ★ Wall shelf, solid stainless Long bench runs, pot wash £143.90
Vogue Chrome Wire Shelves 1220×610mm 2-Pack U893 ★ Wire shelves (pair) Dry store, cellar (ambient) £75.62
Vogue 4 Tier Wire Tower 610×610mm U884 ★ Freestanding 4-tier bay Corners, small stores £100.33
Nylon/epoxy-coated coldroom shelving bays Coated wire racking Walk-in chillers & freezers Sourced to spec
Aluminium/polymer hygiene racking Removable washable shelf boards Freezer rooms, audit-driven sites Sourced to spec
Bespoke stainless shelving & fabrication Made-to-measure 304 stainless Any zone, any dimension Quoted to drawing

★ = Stocked at Craven Cooling. Other formats stocked or sourced to specification. Prices July 2026, + VAT.

Ready to Plan Your Kitchen Storage? Family-run, based in Swansea with a showroom for live demos and side-by-side comparison. 2-year parts warranty across the UK & Ireland. Send us your room dimensions and we’ll plan the bays, finishes, and aisles for you. Browse Equipment Call Sales — 01792 732702

Choosing between stainless grades for benches and sinks? Read 304 vs 430 stainless steel for commercial kitchens. Fitting out a meat section where storage separation is critical? See choosing meat prep equipment for a butchery counter or gastropub kitchen. For hand-wash stations, bins, and dispensers, read choosing hands-free hygiene equipment for commercial kitchens. Planning a high-volume production space? Start with batch cooking equipment for high-volume dark kitchens.

See it live
Commercial kitchen shelving — in stock now
Browsing the whole range? See every option in this category → or call 01792 732702.
In Summary

Commercial kitchen shelving comes down to four decisions. Format: wall shelves for the working line, freestanding racking for stores. Surface: wire where airflow matters (coldrooms, dry stores); solid stainless above benches where drip interception matters. Material: chrome wire for ambient dry zones only — it rusts in walk-ins within 12–24 months; coated wire or 304 stainless for chillers, freezers, and wash-down areas. Loading: ratings are UDL, so halve them for concentrated loads and keep heavy stock between knuckle and shoulder height per HSE guidance. Hygiene layout flows from retained Regulation 852/2004: bottom tier 150mm+ clear of the floor, raw meat below ready-to-eat, chemicals on separate racking. Stocked at Craven Cooling: Vogue stainless wall shelves (1200mm £108.80 + VAT, 1800mm £143.90 + VAT), chrome wire shelf twin pack £75.62 + VAT, 4-tier wire tower £100.33 + VAT; coated coldroom shelving and bespoke stainless fabrication stocked or sourced to specification. Call 01792 732702 with your room dimensions for a storage plan and quote.

Frequently Asked Questions

The specific figure isn't written into legislation — what retained Regulation (EC) 852/2004 requires is that floors can be kept clean and food is protected from contamination. Stock on the floor makes both impossible, so 150mm bottom-tier clearance is the benchmark EHOs apply: it lets a mop pass underneath and allows pest inspection. Treat it as mandatory — "food on the floor" is one of the most common written EHO observations in dry stores and walk-ins.
You can, but you'll be replacing it within one to two years. Chrome plating is a thin layer over mild steel wire, and condensing walk-in humidity attacks it at every weld junction. Once rust blooms appear, the shelving is a contamination risk an EHO will write up. For chillers and freezers, specify nylon- or epoxy-coated wire or stainless; keep chrome for the dry store and cellar, where it's the best-value option available.
Check the rating for your specific shelf — wire tiers commonly carry 100–300 kg and wall shelves 40–60 kg — with two caveats. First, ratings are UDL (Uniformly Distributed Load): a concentrated load like a full stockpot stresses the centre span far harder, so halve the quoted figure for clustered heavy items. Second, for wall shelves the wall and fixings are usually the limiting factor, not the shelf: masonry with proper anchors carries the full rating; unreinforced plasterboard carries practically nothing.
They fail differently. Wire collects no dust and lets air through (critical in coldrooms) — but drips fall straight through to whatever sits below. Solid stainless contains spills and wipes clean fast, but blocks airflow. The standard answer: wire in the stores, solid stainless above prep benches. Whichever you use in a chilled store, keep raw meat on the bottom tiers in lidded containers — storage order is the real hygiene control.
Plan 900–1,000mm minimum between facing runs — enough for a loaded 600mm trolley, a person crouching at the bottom tier, and two staff working a delivery. Below 700mm, staff leave stock in the aisle "temporarily" and you're back to the floor-storage problem you bought the shelving to solve. If the room can't give a proper aisle with racking both sides, rack one side only.
Match the material to the environment, not the budget. Ambient and dry: chrome wire is fine and cheapest. Cold and condensing (walk-ins, freezer rooms): coated wire is good enough and cheaper than stainless — inspect yearly and replace any shelf with chips exposing bare steel. Wet, hot, and chemically cleaned zones: 304 stainless is the only finish that lasts under daily degreaser and sanitiser. The expensive mistake is buying one material for the whole kitchen — buy by zone and every zone gets the cheapest option that survives it.
No. Chemicals and food need physically separate storage — separate racking, ideally a separate lockable area. Sharing a bay is a genuine contamination route (a leaking detergent container wicks along shelving and drips downward like any other liquid) and an instant written observation from any EHO. The compliant setup costs almost nothing: one dedicated wire tower in a corner away from food storage, labelled for chemicals only, with everything kept in original labelled containers — decanting into unmarked spray bottles is the other half of the same inspection finding.
Tiles over masonry: drill through the tile with a tile bit (no hammer action through the glaze), then fix into the masonry with sleeve anchors — the tile itself carries nothing. Plasterboard over studs: screw into the stud centres, or fix a bearer across two or more studs and mount the brackets to that. Plasterboard with no accessible studs: don't — hollow-wall fixings aren't rated for a commercial shelf load above a workstation. Use a freestanding unit instead.