2017
Approved
12 Chester Grove Darlington DL3 9DY
Tree Preservation Order/Conservation Area Enquiry
10 Chester Grove Darlington DL3 9DY Data via plota.co.uk
26/00805/FUL - Full Application
Awaiting decision
Proposal
Erection of a two storey extension to the front (east) and side (north) elevations Data via plota.co.uk
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View original council record ↗Last checked
Application progress
✓
Received
14 Aug 2026
✓
Validated
1 Sept 2026
✓
Consultation
4 Sept 2026
Decision
Expected by 16 Nov 2026
Under consideration
No decision has been issued yet. Plota predicted a decision around 28 Oct 2026; it is now day 57.
Documents 2
Plans & drawings 1
Application forms 1
Site constraints 2
Nutrient neutrality catchment: Teesmouth and Cleveland Coast SPA/Ramsar
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
Also on the record
Inside the Darlington built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.
Sales history 1
Last sold for £175,000 in March 2014. Detached house, freehold.
28 March 2014£175,000
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
Floor area86 m² (926 sq ft)
Energy ratingC (69 out of 100), could reach B
PropertyDetached house, 5 habitable rooms
Built1967 to 1975
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity
From the energy performance certificate lodged in December 2018, the latest held for this property. The building may have changed since. View the certificate
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Important details
- Council
- Darlington
- Application type
- Full Application
- Postcode
- DL3 9DY
- Received
- 14 Aug 2026
- Validated
- 1 Sept 2026
- Ward
- Mowden
- Parish
- Darlington Urban Area
- Case officer
- Show
- Target decision
- 16 Nov 2026
- Applicant
- Show
- Agent
- Myplansdrawn
Decision outlook
Day 57, past the statutory target. 97% of extensions in Darlington are decided within thirteen weeks, which runs to 1 Dec 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 24 Oct 2026.
Day 571 days past the 56-day target
82%decided within 8 weeks
94%approved
181decided in the last year
Plota live figures for extensions decided by Darlington in the last twelve months, from validation. Darlington decision record →
Public comments
4comments received
4 objecting
100% object · above the UK average of 74%
10 neighbours consulted · Last counted 24 Oct 2026
Consultation & key dates
- Neighbours
- 4 Sept 2026
- Consultation
- 4 Sept 2026
- Comments by
- 25 Sept 2026
- Statutory expiry
- 27 Oct 2026
- Env. assessment
- No
Historical activity at this location
5 previous applications on record - archival context, not part of the live application.
This property
Previous applications at this address
Within ~100m
Nearby activity
2025
Approved
3 Chester Grove Darlington DL3 9DY
Demolition of existing garage, erection of two storey side extension and single storey re…
2024
Approved
1 Chester Grove Darlington DL3 9DY
Erection of single storey side extension to rear of existing garage together with replace…
2023
Refused
1 Chester Grove Darlington DL3 9DY
Certificate of Lawfulness for proposed development - Erection of a single storey extensio…
Darlington
Planning Authority Score
7.5/10
Good
#43 of 296 councils
Relevant to this application:
Householder decisions
Darlington ranks #137 out of 296 councils for householder decision speed. Householder applications are more likely to be approved here than most councils, with a 98% approval rate vs 90% nationally.
More permissive than most councils
98% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application.
View full council performance
Darlington decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #109 of 296
98%
Householder approved
Above avg (90%) #14 of 296
67%
Decided in 8 weeks
Above avg (63%) #137 of 296
33%
Extended time limit
Below avg (41%) #73 of 296
88%
Minor dwellings approved
16 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
76%
Change of use approved
25 decided
465
Total decisions
46 refused in the year to March 2026
Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use
Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.
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10 Chester Grove Darlington DL3 9DY
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The consultation period closed on 25 Sept 2026.