Which reports for a shop to restaurant change of use
A shop and a restaurant both sit in Class E, so the use change alone is not development. The application, when there is one, is about the extraction flue and what comes out of it.
For most shop to restaurant planning reports the starting question is whether you need an application at all. A shop falls in Class E(a) of the Use Classes Order and a restaurant or cafe falls in Class E(b), and section 55(2)(f) of the Town and Country Planning Act 1990 says that using a building for another purpose within the same class is not development. No application, no reports, no fee.
Then you look at the flue. Almost every restaurant fit-out in a former shop needs an external extraction duct, and that duct is an alteration that materially affects the external appearance of the building. That is development, and it is where the evidence base sits.
When the use change is free
Three things can remove the Class E flexibility, and all three are worth checking before you sign a lease.
A planning condition on an earlier permission may restrict the unit to a named use. Conditions saying the premises shall be used as a retail shop and for no other purpose are common on units in mixed-use blocks, and removing one needs an application under section 73 of the 1990 Act. Read every permission on the council's public register, including the oldest.
The unit may not be lawfully in Class E at all. A former bank, a former estate agent and a former nail bar are all Class E now, but a former pub, a former hot food takeaway or a former nightclub is sui generis and the move to a restaurant is a material change of use requiring permission.
And an Article 4 direction does not bite here. Article 4 withdraws permitted development rights granted by the GPDO. Movement within Class E is excluded from the definition of development altogether, so a direction cannot reach it. Councils occasionally assert otherwise, and the statutory answer is short.
Where you are relying on the Class E position and the investment is large, a certificate of lawfulness of proposed use under section 192 buys certainty for a modest fee.
What the works and the flue drive
The kitchen extract system decides the shape of the application. A duct rising up a rear elevation to terminate above eaves level is visually intrusive on a listed building, in a conservation area, or on any elevation visible from the street, and it is the single most-refused element of a restaurant conversion.
Your application will normally cover the flue, the shopfront alterations, any new plant, air conditioning condensers, refrigeration units, and the extract termination point. Councils will want elevations and sections showing the duct route and discharge height, plus a specification of the filtration.
A Ventilation and Extraction Statement is the document that pulls this together: the cooking type, the extract volume, the duct route, the filtration stages, the discharge velocity and height, and the maintenance regime. Councils and environmental health officers read it before they read anything else.
Extraction, odour and the environmental health test
Odour is assessed against the sensitivity of the surrounding receptors and the risk that the cooking type presents. Frying, charcoal grilling and Asian and Indian cuisines are treated as higher risk than a bakery or a sandwich bar, and the mitigation required rises with the risk.
The recognised approach in England follows Defra's guidance on the control of odour and noise from commercial kitchen exhaust systems. It sets out a risk-based method: assess the cooking, count the receptors and their proximity, then specify filtration to match. Typical stages are grease filtration, then electrostatic precipitation or ultraviolet treatment, then carbon adsorption, with discharge one metre above the eaves of the tallest building within a set radius and a vertical discharge with no cowl.
Where the unit sits below flats, or where the flue cannot reach the required height, an Odour Assessment prepared by a suitably qualified consultant is normally expected rather than optional. Councils usually want the assessment author to have relevant professional standing, and professional review is strongly advised on anything contentious.
Plant noise, hours and residents above
Fixed plant noise is assessed under BS 4142:2014+A1:2019, which compares the rating level of the plant with the measured background sound level at the nearest noise-sensitive window. A rating level around or below background is usually acceptable, and the further above background the plant sits, the more likely an objection becomes.
The measurements have to be taken at the right time. Night-time background levels in a residential street are much lower than daytime levels, so a restaurant running extract fans until midnight is judged against the quiet period, not the busy one.
A Noise Impact Assessment covering the extract fan, the condensers and any refrigeration, with the proposed attenuation, answers the environmental health consultation directly. Expect conditions on plant noise limits, on opening hours, and sometimes on delivery times.
The agent of change principle in the NPPF (August 2026 edition) matters if the flats above came later than the commercial unit, but do not rely on it as a defence. Officers apply it more readily to existing music venues than to a new restaurant fit-out.
Servicing, deliveries and refuse
Restaurants generate more waste than shops, and the waste is wet, smelly and collected more often. Councils refuse change of use applications on refuse storage more often than applicants expect.
Show where the bins live, how many there are, what capacity they hold, how far they are dragged to the collection point, and how often they are emptied. Include separate provision for food waste, dry recycling, glass and general waste, and show a store that is enclosed, ventilated, washable and not adjacent to a residential window.
A Waste Management Strategy sets this out formally where the council's validation list asks for one. Alongside it, set out delivery times, vehicle sizes and where they will stop, because a restaurant taking a rigid lorry on a red route at 8am will attract a highways objection.
An illustrative pack for a 90 m2 unit
Take a vacant 90 m2 former shop on a high street, with two flats above, a rear yard and a conservation area boundary running along the street. The scheme is a 40 cover restaurant with a gas range and a charcoal grill. This example is illustrative.
The likely submission is a full planning application for external alterations and plant, supported by:
- existing and proposed floor plans, elevations and sections showing the flue route and termination
- a ventilation and extraction statement with the filtration specification
- an odour risk assessment reflecting the charcoal grill
- a plant noise assessment to BS 4142 with the proposed attenuation
- a refuse and servicing statement with a bin store shown on the plans
- a short heritage note addressing the conservation area, since the shopfront and rear flue are both visible
- a planning statement explaining the Class E position and why the works alone need permission
What is not needed: a transport assessment, a flood risk assessment on most high street sites in Flood Zone 1, or a biodiversity net gain assessment, since the works fall within the exemptions for development below the de minimis threshold. Confirm the biodiversity position with the council, because the exemptions are drawn tightly.
Browse the report types on PlanScope to see what a fit-out on your unit is likely to need, then draft the extraction and noise narratives before you commission the consultants.
This is general guidance, not legal advice. Check the position with your local planning authority or a qualified professional before relying on it. PlanScope provides AI-assisted draft reports for planning applications. Reports should be reviewed before submission. We do not guarantee planning approval.
Frequently asked questions
Do I need planning permission to turn a shop into a restaurant?
Usually not for the use itself. Shops sit in Class E(a) and restaurants and cafes in Class E(b), and section 55(2)(f) of the 1990 Act excludes movement within a use class from the definition of development. You will normally need permission for the physical works, particularly an external extraction flue, shopfront alterations and external plant.
What is a ventilation and extraction statement?
It is the document describing your kitchen extract system for the planning officer and the environmental health officer: the cooking types, the extract volume, the duct route and discharge point, the filtration stages, discharge velocity and the maintenance regime. It is the main evidence that odour and fan noise will be controlled to an acceptable level.
Does a restaurant need an odour assessment?
Where the cooking is higher risk, the flue cannot discharge above eaves level, or there are residential windows close by, councils normally expect one. Lower-risk cooking on an unconstrained site may be covered adequately by the extraction statement alone. Ask the environmental health team what they expect before the design is fixed.
Can a council use an Article 4 direction to stop a shop becoming a restaurant?
No. Article 4 directions withdraw permitted development rights granted by the GPDO. A change between purposes within Class E is excluded from the definition of development by statute, so there is no permitted development right for a direction to remove. Conditions on a previous permission are a different matter and can restrict the use.
What if the unit was a hot food takeaway before?
Hot food takeaways are sui generis and sit outside Class E. Moving from a takeaway to a restaurant, or the other way, is a material change of use that needs planning permission. Check the planning history and any certificate of lawfulness on the council's register before assuming which class the unit is in.
Sources and further reading
This article is general guidance about the planning system in England and, where stated, the rest of the UK. It is not legal or professional advice. Check your local planning authority’s validation requirements and take professional advice for your specific site.