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Refused19/6402/FULSubmitted 6 years agoRear extension

25 Bertram Road London Borough of Barnet NW4 3PR

Conversion of the existing dwelling into 2no self-contained flats including single storey rear extension and alterations to roof involving insertion of 2no front and rear facing rooflights and new chimney. Erection of rear outbuilding

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Progress

Submitted
10 Dec 2019
— completed
Validated
10 Dec 2019
— completed
Consultation
—
— completed
Target date
4 Feb 2020
— completed
Decided
4 Feb 2020
— completed

Application details

Reference
19/6402/FUL
Local authority
Barnet
Postcode
NW4 3PR
Ward
WH
Application type
All Other
Property type
Flat

Key dates

Submitted
10 Dec 2019
Validated
10 Dec 2019
Target decision
4 Feb 2020
Decided
4 Feb 2020

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £622,500 — the median of the last 5 market sales in NW4 3PR, £550,000 to £760,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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.

Nearby applications