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Permitted23/2651/HSESubmitted 3 years agoRear extension

42 Mansfield Avenue London Borough of Barnet EN4 8QE

Single storey rear extension following demolition of the existing conservatory

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Map of the site

Progress

Submitted
20 Jun 2023
— completed
Validated
20 Jun 2023
— completed
Consultation
—
— completed
Target date
15 Aug 2023
— completed
Decided
15 Aug 2023
— completed

Application details

Reference
23/2651/HSE
Local authority
Barnet
Postcode
EN4 8QE
Ward
EB22
Application type
Householder
Property type
House

Key dates

Submitted
20 Jun 2023
Validated
20 Jun 2023
Target decision
15 Aug 2023
Decided
15 Aug 2023

Estimated project value

£59k–£98k

Based on the 26.0m² 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: 26m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £619,500 — the median of the last 8 market sales in EN4 8QE, £574,000 to £740,000.

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.

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