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Permitted26/2009/192Submitted 3 months agoLoft conversion

12 Marlborough Avenue London Borough of Barnet HA8 8UH

Removal and alteration of existing roof above existing two storey side (Phase 1). Roof extension involving wraparound side and rear dormer windows (Phase 2). (Phase 2 to commence when phase 1 completed)

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Progress

Submitted
29 May 2026
— completed
Validated
29 May 2026
— completed
Consultation
—
— completed
Target date
24 Jul 2026
— completed
Decided
24 Jul 2026
— completed

Application details

Reference
26/2009/192
Local authority
Barnet
Postcode
HA8 8UH
Ward
EY22
Application type
All Other
Property type
House

Key dates

Submitted
29 May 2026
Validated
29 May 2026
Target decision
24 Jul 2026
Decided
24 Jul 2026

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.

Homes here go for about £544,000 — the median of the last 7 market sales in HA8 8UH, £340,750 to £610,000.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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