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Permitted2011/3645/PTwo-storey extension

261 Royal College Street Camden NW1 9LU

Excavation at lower ground floor level to lower the floor of the existing basement, erection of a two storey rear extension at lower ground and ground floor level (following demolition of the existing single storey rear extension); the installation of new staircase between ground and lower ground floor level and creation of new lower ground floor patio area; creation of a roof terrace with glazed balustrade panel at first floor level in association with conversion of existing dwelling house into two self-contained maisonettes (Class C3).

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
16 Jan 2013
— completed

Application details

Reference
2011/3645/P
Local authority
Camden
Postcode
NW1 9LU
Ward
CAMDEN TOWN WITH PRIMROSE HILL
Application type
All Other
Property type
Flat

Key dates

Decided
16 Jan 2013

Estimated project value

£75k–£175k

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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £677,500 — the median of the last 4 market sales in NW1 9LU, £530,000 to £799,950.

Contains HM Land Registry data © Crown copyright and database right 2026. 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