Flat 4 Thorngate Mill Thorngate Barnard Castle DL12 8QD Data via plota.co.uk

DM/26/01270/FPA - Full Planning Application Approved
Extensions & alterations

Proposal

Retrospective erection of greenhouse to rear patio Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
18 May 2026
✓
Validated
22 May 2026
✓
Consultation
22 May 2026
✓
Approved
1 Jul 2026

Approved on 1 Jul 2026 · Fast Track · Last checked 5 Jul 2026

Documents 6

Decision & officer reports 1

PDF FAST TRACK Delegated Report · 1 Jul 2026 View ↗

Statements & assessments 1

PDF HERITAGE STATEMENT AND DESIGN & ACCESS STATEMENT Supporting Information · 18 May 2026 View ↗

Other documents 4

PDF PRESS NOTICE Press Notice · 29 May 2026 View ↗ PDF SITE NOTICE Site Notice · 26 May 2026 View ↗ PDF EXISTING PHOTOS Supporting Information · 18 May 2026 View ↗ PDF GREENHOUSE SPEC SHEET Supporting Information · 18 May 2026 View ↗

All documents on the council site ↗

Site constraints 10

19 listed buildings within 150 m of the postcode pin
Nearest: Thorngate Mill, Grade II, about 2 m from the postcode pin · 1 Grade II*, 18 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 19 with distances
Historic England ↗
Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 from the sea. Any development here needs a flood risk assessment. Defences are not counted.
The Environment Agency flood map for planning. Homes in zone 3 must also pass the sequential test. Surface water flooding is a separate map.
Flood map ↗
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.
Barnard Castle conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
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 6
An estimated 30% or more 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 ↗
Also on the record
Flood defence about 5 m from the postcode pin (natural high ground, designed for a 1 in 2 year flood); National infrastructure project about 1702 m away: A66 Northern Trans-Pennine Project; Scheduled monument about 248 m away: Barnard Castle: ringwork, shell keep castle, chapel and dovecote; Inside the Barnard Castle built-up area.
Not affected
Not green belt

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, the Planning Inspectorate, 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.

Sales history 5

Last sold for £190,000 in August 2023. Flat or maisonette, leasehold.

3 August 2023£190,000
12 August 2022£185,000
9 June 2017£173,000
16 January 2009£190,000
15 July 2005£205,000New build

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Nearby new applications

29 Sept 2026Pending

The Old Well Inn 15 - 21 The Bank Barnard Castle DL12 8PH

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The Vicarage 3 Parsons Lonnen Barnard Castle DL12 8ST

T1 sycamore tree - Crown reduction 2 metres of the height and 1.5 metres of the ...

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8 Sept 2026Pending

30 Thorngate Barnard Castle DL12 8QB

Single storey rear extension

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Important details

Council
Durham
Application type
Full Planning Application
Postcode
DL12 8QD
Received
18 May 2026
Validated
22 May 2026
Ward
Barnard Castle
Parish
Barnard Castle
Case officer
Show
Target decision
17 Jul 2026
Decision
Approved BNG Not Required
Decision date
1 Jul 2026
Decision level
Fast Track
Applicant
Show
Agent
Far North Studio Ltd

How this decision compares

Decided in 40 days from validation, 14 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 →

Consultation & key dates

Neighbours
22 May 2026
Consultation
22 May 2026
Comments by
19 Jun 2026
Site or press notice
26 May 2026
Statutory expiry
17 Jul 2026
Env. assessment
No

Historical activity at this location

21 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2023 Approved
2 Mill Court Barnard Castle DL12 8QQ
Installation of wood burning stove including associated flue (Part retrospective)
DM/23/02972/FPA
2023 Approved
2 Mill Court Barnard Castle DL12 8QQ
Installation of wood burning stove including associated flue (Part retrospective)
DM/23/02973/LB
2023 Approved
River House Church Bank Startforth Barnard Castle DL12 9AE
Non-material amendment pursuant to planning permission DM/22/01475/FPA to replace outward…
DM/23/03070/NMA
2022 Approved
8 Thorngate Wynd Barnard Castle DL12 8PZ
T1 Sycamore - Prune back to boundary wall
DM/22/03411/TCA
2022 Approved
River House Church Bank Startforth Barnard Castle DL12 9AE
Single storey side extension, raised decking to the rear and side, roof lights and roof a…
DM/22/01475/FPA
2022 Approved
25 Thorngate Barnard Castle DL12 8QB
Replacement of 3 12- over-12 windows on the front elevation with traditional 6-over-6 ver…
DM/22/00156/LB
2021 Approved
10, 16, 18-20 Thorngate Barnard Castle DL12 8QB
Replace existing 2 corroded metal staircase and walkway to the rear elevations with simil…
DM/21/03856/FPA
2021 Approved
30 Thorngate Barnard Castle DL12 8QB
Replacement windows and rear door
DM/21/02645/LB
2021 Approved
2 Mill Court Barnard Castle DL12 8QQ
Listed Building application for replacement of roof covering on garage from stone slate r…
DM/21/00840/LB
2021 Approved
2 Mill Court Barnard Castle DL12 8QQ
Replacement of roof covering on garage from stone slate roof tiles to natural blue/grey s…
DM/21/00839/FPA
2020 Approved
32 Thorngate Barnard Castle DL12 8QB
Listed Building application for replacement windows to front and rear
DM/20/02854/LB
2020 Approved
Thorngate Mill Thorngate Barnard Castle DL12 8QD
Installation of 3 No external security cameras
DM/20/01844/FPA
2020 Approved
Thorngate Mill Thorngate Barnard Castle DL12 8QD
Listed Building application for installation of 3no external security cameras
DM/20/01845/LB
2020 Approved
1 Mill Court Barnard Castle DL12 8QQ
Replace timber windows and cladding to the front and rear
DM/20/00814/LB
2018 Approved
29 Thorngate Place Barnard Castle DL12 8GP
New window to first floor side elevation
DM/18/02300/FPA
2017 Approved
River House Church Bank Startforth Barnard Castle DL12 9AE
T1 and T2 Ash - fell in conservation area
DM/17/02899/TCA
2017 Approved
30 Thorngate Place Barnard Castle DL12 8GP
T1-T4 Pear - pollard leaving stems at 2.5m. Trees in conservation area
DM/17/01362/TCA
2016 Approved
Thorngate Mill Thorngate Barnard Castle DL12 8QD
Listed Building application for replacement rainwater goods
DM/16/03695/LB
2016 Approved
Thorngate Mill Thorngate Barnard Castle DL12 8QD
Listed Building application for replacement roof slates
DM/16/03694/LB
2016 Approved
29 Thorngate Place Barnard Castle DL12 8GP
Felling of 9 No. trees in conservation area
DM/16/01305/TCA
2016 Withdrawn
Thorngate Mill Thorngate Barnard Castle County Durham DL12 8QD
Listed building consent for replacement of existing roof and improvements and alterations…
DM/16/00542/LB
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
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.