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Permitted21/5166/HSESubmitted 4 years agoLoft conversion

55 Athenaeum Road London Borough of Barnet N20 9AL

Two storey side and rear extension. Roof extension including rear dormer window and insertion of rooflights. Creation of gable end to hipped roof above two-storey front bay window. Enclosure of existing front porch (amended description).

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Progress

Submitted
28 Sept 2021
— completed
Validated
28 Sept 2021
— completed
Consultation
—
— completed
Target date
23 Nov 2021
— completed
Decided
23 Nov 2021
— completed

Application details

Reference
21/5166/HSE
Local authority
Barnet
Postcode
N20 9AL
Ward
OA
Application type
Householder
Property type
House

Key dates

Submitted
28 Sept 2021
Validated
28 Sept 2021
Target decision
23 Nov 2021
Decided
23 Nov 2021

Estimated project value

£190k–£395k

Based on the 117m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 117m² · 3 additional bedrooms

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.

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