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Pending2025/5791/LSubmitted 8 months agoLoft conversion

23 Oakhill Avenue London NW3 7RD

Demolition of the existing conservatory and ground-floor extensions associated with excavation works at lower ground floor level for a new two storey extension; installation of external staircase enclosure all to the rear lower and ground floor levels including installation of glazed balustrade for a new terrace area at ground floor level all to the rear elevation; internal alterations across all existing floors, including the creation of a new loft conversion with rooflights and a new staircase; installation of rooflights to the rear roofslope, refurbish and redecorate the existing historic windows, repointing of the brickwork, reinstate of the fireplaces in the principal rooms; fenestration alterations to the rear and flank elevation.

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Progress

Submitted
22 Dec 2025
— completed
Validated
— not yet reached
Consultation
— not yet reached
Target date
— not yet reached
Decided
— not yet reached

Application details

Reference
2025/5791/L
Local authority
Camden
Ward
Frognal
Application type
Listed Building Consent
Property type
House

Key dates

Submitted
22 Dec 2025

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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