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Permitted21/06960/NMASubmitted 4 years agoRear extension

28 Carlton Hill Westminster NW8 0JY

Amendments to planning permision dated 21 July 2015 (RN 14/12434/FULL) for excavation below existing house and rear garden to create one level of basement accommodation with rooflights to the rear. Demolition of existing rear extension and erection of replacement rear extension over three storeys. Excavation to front of property at lower ground floor level to provide additional accommodation and mechanical plant within enclosure to rear garden. NAMELY,steps down into lightwell repositioned (returned to the existing position rather than being repositioned). Lightwell glazing reduced to comply with planning condition 4. Lower ground floor level reduced by two steps. Rear patio lowered in part to conform, with two steps up to the garden. Rooflight in new annex altered from rectangular to oval. Detailed design of fenestration in rebuilt annex amended - colour and material unchanged.

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Progress

Submitted
11 Oct 2021
— completed
Validated
11 Oct 2021
— completed
Consultation
— completed
Target date
8 Nov 2021
— completed
Decided
16 Nov 2021
— completed

Application details

Reference
21/06960/NMA
Local authority
Westminster
Postcode
NW8 0JY
Ward
ARB_02
Application type
All Other
Property type
House

Key dates

Submitted
11 Oct 2021
Validated
11 Oct 2021
Target decision
8 Nov 2021
Decided
16 Nov 2021

Estimated project value

£41k–£75k

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: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 4 recent sales are listed below.

Homes here go for about £950,000 — the median of the last 7 market sales in NW8 0JY, £801,000 to £10,400,000.

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