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Permitted21/2236/FULSubmitted 5 years agoRear extension

108 Watling Avenue London Borough of Barnet HA8 0NR

Single storey rear extension with flat roof

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Progress

Submitted
21 Apr 2021
— completed
Validated
21 Apr 2021
— completed
Consultation
—
— completed
Target date
16 Jun 2021
— completed
Decided
15 Jul 2021
— completed

Application details

Reference
21/2236/FUL
Local authority
Barnet
Postcode
HA8 0NR
Ward
BO
Application type
All Other
Property type
Flat

Key dates

Submitted
21 Apr 2021
Validated
21 Apr 2021
Target decision
16 Jun 2021
Decided
15 Jul 2021

Estimated project value

£93k–£155k

Based on the 41.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 41m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £533,000 — the median of the last 7 market sales in HA8 (the wider postcode district), £135,000 to £875,000.

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