11 Thyra Grove London Borough of Barnet N12 8HB
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory
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Progress
Application details
- Reference
- 25/5143/PNH
- Local authority
- Barnet
- Postcode
- N12 8HB
- Ward
- WF22
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 22 Dec 2025
- Validated
- 22 Dec 2025
- Target decision
- 2 Feb 2026
- Decided
- 26 Jan 2026
Estimated project value
£145k–£240k
Based on the 59.7m² 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: 59.7m²
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 8 THYRA GROVE, LONDON, N12 8HBSemi-detached · £1,350,0009 months ago12 Jan 2026
- 9A THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £230,00012 years ago3 Oct 2014
- 10D THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £264,40018 years ago14 Mar 2008
- 9A THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £279,95019 years ago16 Aug 2007
- 9B THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £265,00020 years ago27 Oct 2006
- 10D THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £187,50020 years ago26 May 2006
- 10D THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £135,00023 years ago19 Aug 2003
- 10C THYRA GROVE, LONDON, N12 8HBFlat or maisonette · Leasehold · £125,00023 years ago19 Aug 2003
Homes here go for about £247,200 — the median of the last 8 market sales in N12 8HB, £125,000 to £1,350,000.
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
- 11 Thyra Grove London Borough of Barnet N12 8HBPermittedNext door
- 11 Thyra Grove London Borough of Barnet N12 8HBPendingNext door
- 48 Hillcourt Avenue London Borough of Barnet N12 8HAPermittedAdjoining
- 8 Thyra Grove London Borough of Barnet N12 8HBWithdrawnAdjoining
- 8 Thyra Grove London Borough of Barnet N12 8HBRefusedAdjoining
- 8 Thyra Grove London Borough of Barnet N12 8HBRefusedAdjoining