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Refused25/2512/PNHSubmitted over a year agoRear extension

15 Cowper Road London Borough of Barnet N14 5RR

Single storey rear extension with a depth of 6.00 metres, a maximum height of 3.20 metres and an eaves height of 2.85 metres, following the demolition of the existing garage.

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Progress

Submitted
18 Jun 2025
— completed
Validated
18 Jun 2025
— completed
Consultation
—
— completed
Target date
30 Jul 2025
— completed
Decided
16 Jul 2025
— completed

Application details

Reference
25/2512/PNH
Local authority
Barnet
Postcode
N14 5RR
Ward
BP22
Application type
Prior Approval
Property type
House

Key dates

Submitted
18 Jun 2025
Validated
18 Jun 2025
Target decision
30 Jul 2025
Decided
16 Jul 2025

Estimated project value

£63k–£105k

Based on the 26.0m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 26m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £615,000 — the median of the last 8 market sales in N14 5RR, £347,000 to £775,000.

Contains HM Land Registry data © Crown copyright and database right 2024. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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