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Permitted23/3387/PNHSubmitted 3 years agoRear extension

21 Glenthorne Road London Borough of Barnet N11 3HU

Single storey rear extension with a depth of 6m, maximum height of 3.2m and eaves height of 2.85m

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Progress

Submitted
7 Aug 2023
— completed
Validated
7 Aug 2023
— completed
Consultation
—
— completed
Target date
18 Sept 2023
— completed
Decided
11 Sept 2023
— completed

Application details

Reference
23/3387/PNH
Local authority
Barnet
Postcode
N11 3HU
Ward
FB22
Application type
Prior Approval
Property type
House

Key dates

Submitted
7 Aug 2023
Validated
7 Aug 2023
Target decision
18 Sept 2023
Decided
11 Sept 2023

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 £478,000 — the median of the last 5 market sales in N11 3HU, £300,000 to £760,000.

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