FIELD NOTE / F&B · TECHNICAL DESIGN
Kitchen extraction: the unglamorous system that decides whether your restaurant opens.
Operators obsess over the menu, the brand and the fit-out. Planning officers and environmental health obsess over one thing first: where the cooking smell goes. On town-centre sites, the extraction system is the most common reason F&B applications stall — and the least understood. Here’s how it actually gets resolved, from our Chicking build in Bournemouth.
- Regs
- Building Regulations Part F
- Also satisfies
- Planning + environmental health
- The catch
- Roof access · neighbours · odour
- Proven
- Chicking, Bournemouth
Three authorities, one duct.
A commercial kitchen extract has to satisfy three separate gatekeepers at once. Planning cares where the duct discharges, what it looks like on the building, and its effect on the streetscene and neighbours. Environmental health cares about odour control — filtration, discharge height and velocity, and whether the flat upstairs will smell of fried chicken. Building control cares about Part F ventilation performance (with Parts B and J close behind). Fail any one and the unit doesn’t trade.
Town-centre buildings make it harder: limited roof access, party walls, neighbouring occupiers with amenity rights, and often a shopfront or fascia with its own planning sensitivities. The classic failure is an operator who signs a lease, designs a kitchen, then discovers the duct route doesn’t exist.
Extraction is a feasibility question, not a fit-out detail.
At Chicking, the extraction was treated as a first-order design problem from day one. The building offered limited roof access and had neighbours to protect, so our engineers produced a bespoke system — routing, filtration and discharge designed together — that satisfied planning conditions, Part F, and the environmental health authority’s odour-control requirements simultaneously. Because the solution was in the planning submission from the start, the officer’s core concern was answered before it could become a reason for refusal or a slow condition-discharge fight later.
If you’re viewing a unit, the questions that matter before you sign: Is there a route to roof level, or a credible alternative discharge? Who owns what the duct passes? What’s above and beside the unit? What did the last application on this building get refused for?
Planning and licensing are separate races. Start both.
The second programme-killer in F&B is sequencing. Planning consent and the premises licence run on independent statutory clocks — there is no rule that one must wait for the other. At Chicking we prepared the change-of-use application and coordinated the late-night refreshment licence (trading beyond 23:00 was critical to the model) in parallel, and phased construction so extraction and mechanical works ran concurrently with first fix. The unit opened on programme with every consent in place at handover.
- Planning + licensing applications prepared and submitted concurrently
- Extraction solution designed into the planning submission, not bolted on
- Mechanical installation phased with first fix — no dead time on site
- Part B, F and J compliance tracked from design, signed off before handover
The fit-out makes the restaurant worth visiting. The extraction makes it legal to open.
Chicking Bournemouth went from raw shell to trading restaurant on programme and on budget, at one of the town centre’s most prominent corners — and the extraction that could have sunk it was resolved before it cost a single week. The unit now serves as a reference project for the brand’s UK expansion.
The condensed version: Chicking case study
Signing a lease on an F&B unit?
Send us the site before you commit — we’ll tell you if the duct route, the planning position and the licence you need are real.