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Permitted25/0555/FULSubmitted over a year agoLoft conversion

London Borough of Barnet N3 3AX

Alterations to existing pair of semi-detached houses including: Partial demolition of No. 42 to create a 1500mm gap (between Nos. 40 and 42) to form 2no. detached houses. Works to No. 42 include construction of a full height flank wall to enclose No. 42; Single storey rear extension; First floor rear infill extension; Replacement of two storey front projecting bay; Extension of existing roof to form side gable end (hip to gable extension); Relocation of existing front door and alterations to fenestration. Works to No. 40 include: Render finish to newly revealed flank wall; Adjustments to front bay roof to form a pitched hipped roof over front bay.

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Progress

Submitted
5 Mar 2025
— completed
Validated
5 Mar 2025
— completed
Consultation
— completed
Target date
30 Apr 2025
— completed
Decided
4 Apr 2025
— completed

Application details

Reference
25/0555/FUL
Local authority
Barnet
Postcode
N3 3AX
Ward
FC22
Application type
All Other
Property type
House

Key dates

Submitted
5 Mar 2025
Validated
5 Mar 2025
Target decision
30 Apr 2025
Decided
4 Apr 2025

Estimated project value

£37k–£100k

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: 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 £1,218,750 — the median of the last 8 market sales in N3 3AX, £890,000 to £2,210,000.

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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