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Permitted17/8013/192Submitted 8 years agoLoft conversion

40 Carnarvon Road London Borough of Barnet EN5 4LU

Roof extension involving rear dormer window. Replacement of existing conservatory roof. Conversion of existing garage into habitable room, insertion of window to replace garage door and additional door to rear

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Progress

Submitted
21 Dec 2017
— completed
Validated
21 Dec 2017
— completed
Consultation
—
— completed
Target date
15 Feb 2018
— completed
Decided
11 Jan 2018
— completed

Application details

Reference
17/8013/192
Local authority
Barnet
Postcode
EN5 4LU
Ward
HB
Application type
All Other
Property type
House

Key dates

Submitted
21 Dec 2017
Validated
21 Dec 2017
Target decision
15 Feb 2018
Decided
11 Jan 2018

Estimated project value

£35k–£94k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

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 £707,500 — the median of the last 8 market sales in EN5 4LU, £428,000 to £950,000.

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