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Refused21/3721/HSESubmitted 5 years agoAnnexe

29 Southway London Borough of Barnet N20 8DD

Erection of a single storey detached granny annexe to rear

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Progress

Submitted
6 Jul 2021
— completed
Validated
6 Jul 2021
— completed
Consultation
— completed
Target date
31 Aug 2021
— completed
Decided
16 Sept 2021
— completed

Application details

Reference
21/3721/HSE
Local authority
Barnet
Postcode
N20 8DD
Ward
TO
Application type
Householder
Property type
House

Key dates

Submitted
6 Jul 2021
Validated
6 Jul 2021
Target decision
31 Aug 2021
Decided
16 Sept 2021

Estimated project value

£120k–£205k

Based on the 50.0m² of floor area stated in the application, at inner London rates (2026). Source: trade estimate, annexe £1,800-£3,000/m².

Floor area gained: 50 · 2 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,187,500 — the median of the last 8 market sales in N20 8DD, £647,000 to £1,450,000.

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.

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