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Permitted19/1621/HSESubmitted 7 years agoRear extension

57 Athenaeum Road London Borough of Barnet N20 9AL

Two storey side and rear extension. Conversion of the existing garage into habitable room, insertion of window to replace existing garage door. Extension to roof including 3no side rooflights and 3no rooflights to rear roofslope

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Progress

Submitted
25 Mar 2019
— completed
Validated
25 Mar 2019
— completed
Consultation
—
— completed
Target date
20 May 2019
— completed
Decided
30 Apr 2019
— completed

Application details

Reference
19/1621/HSE
Local authority
Barnet
Postcode
N20 9AL
Ward
OA
Application type
Householder
Property type
House

Key dates

Submitted
25 Mar 2019
Validated
25 Mar 2019
Target decision
20 May 2019
Decided
30 Apr 2019

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.

Homes here go for about £1,320,000 — the median of the last 8 market sales in N20 9AL, £855,000 to £2,150,000.

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