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Permitted16/2739/HSESubmitted 10 years agoRear extension

11 Walfield Avenue London Borough of Barnet N20 9PS

Single storey rear extension and associated extension to rear patio and addition of rear steps following demolition of existing garage

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Map of the site

Progress

Submitted
25 Apr 2016
— completed
Validated
25 Apr 2016
— completed
Consultation
—
— completed
Target date
20 Jun 2016
— completed
Decided
19 Jul 2016
— completed

Application details

Reference
16/2739/HSE
Local authority
Barnet
Postcode
N20 9PS
Ward
OA
Application type
Householder
Property type
House

Key dates

Submitted
25 Apr 2016
Validated
25 Apr 2016
Target decision
20 Jun 2016
Decided
19 Jul 2016

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. 5 recent sales are listed below.

Homes here go for about £862,500 — the median of the last 8 market sales in N20 9PS, £700,000 to £1,012,500.

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