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Refused21/4575/PNHSubmitted 5 years agoRear extension

15 Downhurst Avenue London Borough of Barnet NW7 3QA

Single storey rear extension with a proposed depth of 4 metres from original rear wall, maximum height of 3 metres and eaves height of 2.85 metres.

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Progress

Submitted
18 Aug 2021
— completed
Validated
18 Aug 2021
— completed
Consultation
— completed
Target date
29 Sept 2021
— completed
Decided
16 Sept 2021
— completed

Application details

Reference
21/4575/PNH
Local authority
Barnet
Postcode
NW7 3QA
Ward
HA
Application type
Prior Approval
Property type
House

Key dates

Submitted
18 Aug 2021
Validated
18 Aug 2021
Target decision
29 Sept 2021
Decided
16 Sept 2021

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

New owners, recently moved in. First work on a house usually follows within months of completing. 4 recent sales are listed below.

Homes here go for about £758,750 — the median of the last 8 market sales in NW7 3QA, £230,000 to £1,100,000.

Contains HM Land Registry data © Crown copyright and database right 2026. 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