89 Waterfall Road London Borough of Barnet N11 1BT
Single storey rear extension following demolition of the existing conservatory
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Progress
Application details
- Reference
- 23/1777/HSE
- Local authority
- Barnet
- Postcode
- N11 1BT
- Ward
- BP22
- Application type
- Householder
- Property type
- House
Key dates
- Submitted
- 24 Apr 2023
- Validated
- 24 Apr 2023
- Target decision
- 19 Jun 2023
- Decided
- 19 Jun 2023
Estimated project value
£31k–£51k
Based on the 12.6m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².
Floor area gained: 12.57m²
Recently sold nearby
New owners, recently moved in. First work on a house usually follows within months of completing. 4 recent sales are listed below.
- 131 WATERFALL ROAD, LONDON, N11 1BTDetached · £113,0003 months ago12 Jun 2026
- 91 WATERFALL ROAD, LONDON, N11 1BTDetached · £743,00012 months ago2 Sept 2025
- 109 WATERFALL ROAD, LONDON, N11 1BTSemi-detached · £1,000,00012 months ago29 Aug 2025
- 127 WATERFALL ROAD, LONDON, N11 1BTDetached · £1,110,00021 months ago21 Nov 2024
- 89 WATERFALL ROAD, LONDON, N11 1BTDetached · Not a standard market sale · £775,0003 years ago17 Nov 2022
- 127 WATERFALL ROAD, LONDON, N11 1BTDetached · £905,0005 years ago18 Jan 2021
- 105 WATERFALL ROAD, LONDON, N11 1BTSemi-detached · £810,0007 years ago16 Oct 2018
- 99 WATERFALL ROAD, LONDON, N11 1BTTerraced · £790,0008 years ago7 Dec 2017
Homes here go for about £810,000 — the median of the last 7 market sales in N11 1BT, £113,000 to £1,110,000.
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
- 89 Waterfall Road London Borough of Barnet N11 1BTPermittedNext door
- 89 Waterfall Road London Borough of Barnet N11 1BTPermittedNext door
- London Borough of BarnetRefusedNext door
- London Borough of BarnetPermittedNext door
- 93 Waterfall Road London Borough of Barnet N11 1BTRefusedAdjoining
- 93 Waterfall Road London Borough of Barnet N11 1BTRefusedAdjoining