New House Gordon Bank Eggleston Barnard Castle DL12 0AS Data via plota.co.uk

DM/26/01876/CPO - Certificate of Lawfulness Proposed Opera Approved

Proposal

Erection of a single storey rear extension to the existing dwellinghouse. The extension will be constructed using materials to match the existing dwelling where appropriate, with replacement grey windows and doors as shown on the submitted drawings. The proposed works are shown in detail on the accompanying location plans, block plans, site plans, floor plans and elevations, and a supporting statement. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
✓
Validated
21 Jul 2026
✓
Approved
27 Aug 2026

Approved on 27 Aug 2026 · Certificate of Lawfulness Proposed · Last checked 6 Sept 2026

Site constraints 7

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.
Agricultural land, grade 4
Poor quality farmland, not best and most versatile. Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. Natural England's Provisional ALC map (1:250,000, 1970s) agrees.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Radon affected area, class 5
An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.
From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.
UKHSA radon ↗
National landscape 18 m away: North Pennines
Outside the landscape; its setting can still be raised.
Previously an area of outstanding natural beauty, which is still the designation in law. Since 2023 authorities must seek to further its purpose, not merely have regard to it.
Also on the record
Coalfield, development low risk area; 1 listed building within 150 m.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.

Building

Floor area134 m² (1,442 sq ft)
Energy ratingD (58 out of 100), could reach C
PropertyDetached house, 5 habitable rooms
Built1983 to 1990
HeatingBoiler and radiators, oil
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in March 2014, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Durham
Application type
Certificate of Lawfulness Proposed Opera
Postcode
DL12 0AS
Received
20 Jul 2026
Validated
21 Jul 2026
Ward
Upper Teesdale
Parish
Eggleston
Case officer
Show
Target decision
15 Sept 2026
Decision
Approved
Decision date
27 Aug 2026
Decision level
Certificate of Lawfulness Proposed
Applicant
Show
Agent
Solum Studio

How this decision compares

Decided in 37 days from validation, 17 days faster than Durham's median of 54 for extensions. Approved, as 97% of extensions here are.

73%decided within 8 weeks
97%approved
596decided in the last year

Plota live figures for extensions decided by Durham in the last twelve months, from validation. Durham decision record →

Public comments

No public comments yet.

Last counted 6 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15095412
Planning Portal ref
PP-15095412
Statutory expiry
15 Sept 2026
Env. assessment
No
Durham
Planning Authority Score
5.2/10
Average
#137 of 296 councils
Relevant to this application:
Householder decisions

Durham ranks #190 out of 296 councils for householder decision speed. 48% of applications have the time limit extended, above the 41% national average. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.

More permissive than most councils
97% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Durham decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #52 of 296
97%
Householder approved
Above avg (90%) #29 of 296
59%
Decided in 8 weeks
Below avg (63%) #190 of 296
48%
Extended time limit
Above avg (41%) #213 of 296
79%
Minor dwellings approved
95 decided (1-9 homes)
90%
Major dwellings approved
49 decided (10+ homes)
87%
Change of use approved
201 decided
1,706
Total decisions
113 refused in the year to March 2026

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.