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PermittedH/01145/09Rear extension

18 Sunningfields Road Barnet NW4 4RL

Retention of first floor rear extension with reduced depth and flat roof. Conversion of single dwelling into 2 self-contained units.

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Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
21 May 2009
— completed

Application details

Reference
H/01145/09
Local authority
Barnet
Postcode
NW4 4RL
Ward
HENDON
Application type
All Other
Property type
Flat

Key dates

Decided
21 May 2009

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 £700,000 — the median of the last 5 market sales in NW4 4RL, £174,000 to £825,000.

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