340 Coniscliffe Road Darlington DL3 8AG
Certificate of lawful proposed development for a roof extension to provide a hip to gable loft conversion including new dormer to rear, a new window in the new gable end, and two roof lights on the front roof slope (amended description).
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Progress
Application details
- Reference
- 26/00037/PLU
- Local authority
- Darlington
- Postcode
- DL3 8AG
- Ward
- Hummersknott
- Application type
- Outline
- Property type
- House
Key dates
- Submitted
- 14 Jan 2026
- Validated
- 26 Jan 2026
- Target decision
- 19 Mar 2026
- Decided
- 16 Feb 2026
10 documents · 0 comments · 13 constraints
Estimated project value
£28k–£75k
Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.
- 388 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGDetached · £522,50010 months ago3 Nov 2025
- 328 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £340,00018 months ago17 Feb 2025
- 324 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £220,00021 months ago2 Dec 2024
- 338 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £295,0002 years ago22 Aug 2024
- 330 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £315,0002 years ago21 May 2024
- 396 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £323,0003 years ago29 Mar 2023
- 372 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGDetached · £366,5003 years ago30 Nov 2022
- 320 CONISCLIFFE ROAD, DARLINGTON, DL3 8AGSemi-detached · £240,0004 years ago1 Dec 2021
Homes here go for about £319,000 — the median of the last 8 market sales in DL3 8AG, £220,000 to £522,500.
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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