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Permitted25/01188/FULSubmitted 10 months agoTwo-storey extension

146 Hummersknott Avenue Darlington DL3 8RN

Application submitted under Section 73 of the Town & Country Planning Act 1990 for the variation of Condition 3 (approved plans) attached to planning permission 25/00241/FUL dated 9 May 25 (Demolition of existing single storey extension and erection of two storey extension to side elevation) to allow for an increase in the approved floor area

Find on council portalDocuments (8)

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Progress

Submitted
29 Oct 2025
— completed
Validated
29 Oct 2025
— completed
Consultation
25 Nov 2025
— completed
Target date
20 Dec 2025
— completed
Decided
27 Nov 2025
— completed

Application details

Reference
25/01188/FUL
Local authority
Darlington
Postcode
DL3 8RN
Ward
Hummersknott
Application type
Full
Property type
House

Key dates

Submitted
29 Oct 2025
Validated
29 Oct 2025
Comments close
25 Nov 2025
Target decision
20 Dec 2025
Decided
27 Nov 2025

8 documents · 2 comments · 12 constraints

Estimated project value

£55k–£130k

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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £224,750 — the median of the last 8 market sales in DL3 8RN, £182,500 to £300,000.

Contains HM Land Registry data © Crown copyright and database right 2024. 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