UB5 · Northolt
UB5 is Northolt on the Ealing–Harrow edge. Suburban stock and later housing mix; conservation coverage is lighter than Ealing's garden-suburb set pieces. Permitted development often carries householder rears and lofts outside designated streets; check Harrow's conservation Article 4s if the address sits across the boundary.
Location data: postcodes.io · Constraints: planning.data.gov.uk (borough-level) · Open Government Licence
Constraint context · Ealing
Real · planning.data.gov.ukEaling has 32 designated conservation areas and 1 Article 4 areas. A district is too coarse to say which apply to your house — postcode districts span many streets and UB5 crosses 3 boroughs. Enter a full postcode below for the point-level check, or read the full borough picture on the Ealing planning guide.
Is UB5 in a conservation area?
Partly — and which part matters. A postcode district is never uniformly designated: UB5 contains 2 conservation areas within 1km of its centre, and whether your own property sits inside one decides whether permitted development survives. The centre point of UB5 itself does not fall inside one — but many of its streets will.
| Canalside, northwest part | Nearby |
| Northolt Village Green | Nearby |
Conservation areas whose official geometry lies within 1km of the centre of UB5. Source: planning.data.gov.uk · Open Government Licence. Proximity to the district centre is not a statement about your own address — run the address check for that.
Does an Article 4 direction apply in UB5?
The national dataset holds no Article 4 geometry within 1km of the centre of UB5. Treat that as unknown, not as “none”. The national dataset is known to omit property-specific directions, so the only safe answer is to verify on the council's own register for Ealing before assuming a permitted-development right still exists.
Every designation in the borough: Ealing planning guide →
Do you need planning permission in UB5?
Three routes exist, and which one you are on is decided by your address, not your postcode district:
| Permitted development — no application. The work stays inside the GPDO limits and no designation removes them. A Lawful Development Certificate is cheap proof for a future buyer. | No permission |
| Prior approval — the larger single-storey rear extension route, with neighbour consultation. Not available on designated land. | 42 days |
| Full householder application — required once a designation removes your permitted-development right, or the scheme exceeds the limits. | 8 weeks |
UB5 contains mapped conservation-area or Article 4 geometry, so a meaningful share of its streets will have lost some permitted-development rights — which pushes those properties onto the full-application route. Whether yours is one of them is an address-level question, not a district-level one.
What does planning permission cost in UB5?
| Householder planning application | £548 (from 1 April 2026) |
| Lawful Development Certificate — proposed works | £274 (half the application fee) |
| Lawful Development Certificate — existing works | £548 (the full application fee) |
| Listed building consent | No fee |
| Resubmission after a refusal | Free once, within 12 months of the decision |
National statutory figures for England — councils do not set them, so they are the same in every borough. Planning fees re-index every 1 April; confirm the current amount on the Planning Portal fee calculator before you apply. These are the council's fees only — drawings, surveys and any specialist reports are separate.
How long does it take?
| Householder application — statutory target | 8 weeks |
| Householder application — in practice | 8–12 weeks |
| Prior approval (larger home extension) | 42 days |
| Lawful Development Certificate | 8 weeks |
| Householder appeal — deadline to lodge | 12 weeks from the decision date |
| Householder appeal — typical decision | Around 18 weeks |
What if it's refused?
A refusal is a decision notice with reasons attached, and those reasons are a roadmap. Most homeowners in Ealing — as anywhere in England — are better served by amending the scheme and using the free resubmission than by appealing: you get one further application on the same site within 12 months without paying again.
| Who can appeal | The applicant only — not neighbours |
| Fee to appeal | None — you bear your own costs |
| Procedure | Written representations for most householder appeals |
| Success rate | Roughly a third — about 36% of householder appeals allowed in 2025/26 |
Appeals go to the Planning Inspectorate, an independent national body. How to read a refusal and choose your route →
Planning permission by project in Ealing
Long Victorian and Edwardian terraces in Hanwell, West Ealing and Acton extend routinely; conservation areas need a full application to SPD 4.
Rear extension in Ealing →A classic move on the terraces of Ealing, Hanwell and Acton; conservation areas need a full application to SPD 4 (Residential Extensions).
Side return extension in Ealing →Strong on the Victorian and Edwardian stock of Hanwell, Acton and West Ealing; conservation areas scrutinise dormer design.
Loft conversion in Ealing →Covered by SPD 4 (Residential Extensions), which sets the design rules for basement development; expect a full application and a structural method statement.
Basement extension in Ealing →Generous garden depth on the suburban stock suits garden studios under PD; conservation areas and the rear-garden rules in SPD 4 are the checks.
Garden room in Ealing →Pinpoint your street
More of Ealing
The 'Queen of the Suburbs': garden estates, terrace density and an HMO Article 4.
Borough page →Planning Permission Checker provides planning and cost intelligence for early feasibility only. It is not legal, planning, valuation, architectural, structural, or surveying advice. All estimates are indicative and must be verified by qualified professionals before purchase, design, planning submission, or construction.
Cost estimates are indicative only — not a quotation. Final price depends on survey, specification, structure, access, party wall matters, VAT, professional fees, and contractor availability.
Planning outcomes are not guaranteed. Local planning authorities make final decisions.