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Permitted20/2033/HSESubmitted 6 years agoRear extension

43 Derwent Avenue London Borough of Barnet EN4 8LU

Single storey rear extension

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Progress

Submitted
4 May 2020
— completed
Validated
4 May 2020
— completed
Consultation
—
— completed
Target date
29 Jun 2020
— completed
Decided
29 Jun 2020
— completed

Application details

Reference
20/2033/HSE
Local authority
Barnet
Postcode
EN4 8LU
Ward
BP
Application type
Householder
Property type
House

Key dates

Submitted
4 May 2020
Validated
4 May 2020
Target decision
29 Jun 2020
Decided
29 Jun 2020

Estimated project value

£38k–£69k

Typical UK cost for this job type, at outer 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.

Homes here go for about £608,500 — the median of the last 8 market sales in EN4 8LU, £437,000 to £740,000.

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