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Permitted2025/5378/LSubmitted 9 months agoLoft conversion

89 Belsize Lane London NW3 5AU

Erection of dormer window to rear roofslope; relocation of rear vent pipe to roof; and internal alterations including reconfiguration of top floor bedroom and repositioning of internal wall within ground floor study.

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Progress

Submitted
9 Dec 2025
— completed
Validated
— completed
Consultation
— completed
Target date
— completed
Decided
11 Mar 2026
— completed

Application details

Reference
2025/5378/L
Local authority
Camden
Ward
Belsize
Application type
Listed Building Consent
Property type
House

Key dates

Submitted
9 Dec 2025
Decided
11 Mar 2026

Estimated project value

£28k–£75k

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

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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