Thiernswood Hall, Healaugh, Richmond, DL11 6UJ Data via plota.co.uk

R/07/367K - Householder Approved
Extensions & alterations

Proposal

Householder planning permission for 1. Introduction of new fire escape staircase to North-West side of the property. 2. New patio area and associated steps and wall to South East side of the property. 3. Retrospective - alteration to the existing staircase window (window D). 4. Retrospective - introduction of new window to former opening (Window Q). 5. Retrospective - close existing door with recessed stonework (Door T). 6. Retrospective - Raise door head height to match adjacent window (Door R). 7. Retrospective - Previously approved new main entrance door to be reduced in height. 8. Previously approved door to be raised in height (Door P). 9. Existing door opening to be raised in height to match adjacent proposed door (Door S). 10. Retrospective - Reduce the size of previously approved en-suite window (Window N). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
24 Jun 2026
✓
Approved
4 Sept 2026

Approved on 4 Sept 2026 · Delegated · Last checked 5 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 15

Article 4 directionCoal mining legacy areaNE Priority HabitatSurface water flood risk
Ancient woodland 1 m away: Birk Park Wood
Inside the 15 m buffer standing advice asks for from the boundary.
National policy refuses development that would cause loss or deterioration of ancient woodland or ancient trees unless there are wholly exceptional reasons.
Yorkshire Dales National Park
The park authority decides applications here. Great weight to conserving the landscape; major development restricted.
Landscape, scenic beauty and wildlife carry great weight, and major development is only allowed in exceptional circumstances.
Swaledale and Arkengarthdale barns and walls 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.
Council document ↗
Heritage at risk: Swaledale and Arkengarthdale barns and walls
On the register of historic places assessed as at risk.
A designated building, monument, park or conservation area assessed as at risk from neglect, decay or development. Proposals that secure its future are looked on favourably.
Historic England ↗
Special protection area 125 m away: North Pennine Moors
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Habitat network: Ancient Semi Natural Woodland
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 ↗
SSSI 125 m away: Arkle Beck Meadows, Whaw SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Article 4 directionCouncil record
Some permitted development rights are withdrawn. The direction is on the council's register but not published as open data.
Council site ↗
Coal mining legacy areaCouncil record
Recorded by the council for this site.
Council site ↗
NE Priority HabitatCouncil record
Recorded by the council for this site.
Council site ↗
Surface water flood riskCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
Coalfield, development low risk area; Priority habitat 4 m away: Deciduous woodland; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 4, but it predates the buildings here and the current map does not class it as farmland.
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, 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.

Sales history 1

Last sold for £2,975,000 in June 2022. Detached house, freehold.

9 June 2022£2,975,000

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

Building

Floor area588 m² (6,329 sq ft)
Energy ratingD (59 out of 100)
PropertyDetached house, 8 habitable rooms
BuiltBefore 1900
HeatingBoiler and underfloor heating, oil
WallsSandstone, with internal insulation

From the energy performance certificate lodged in September 2026, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Yorkshire Dales
Application type
Householder
Postcode
DL11 6UJ
Received
24 Jun 2026
Validated
24 Jun 2026
Parish
Reeth Fremington Healaugh
Case officer
Show
Target decision
19 Aug 2026
Decision
Approved - Conditional
Decision date
4 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
Evolve Architectural Services Ltd

How this decision compares

Decided in 72 days from validation, 18 days slower than Yorkshire Dales's median of 54 for extensions. Approved, as 99% of extensions here are.

65%decided within 8 weeks
99%approved
99decided in the last year

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

Consultation & key dates

Alt. reference
13595764
Comments by
24 Jul 2026
Site or press notice
3 Jul 2026
Statutory expiry
15 Jul 2026

Historical activity at this location

11 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2024 Approved
Full planning permission for conversion of former kennels at Thiernswood Hall into a smal…
R/07/376
2024 Approved
Householder planning permission for erection of single storey building to be used as gara…
R/07/367H
2024 Approved
Householder planning permission for alteration to the existing staircase window (window D…
R/07/367F
2023 Approved
Full planning permission for conversion of agricultural building into a personal gym faci…
R/07/367D
2023 Approved
Full planning permission for erection of single storey building to be used as plant room…
R/07/367C
2023 Approved
Householder planning permission for alteration to an existing window to form new entrance…
R/07/367E
2023 Approved
Householder planning permission for installation of new windows C, E and F to the north-e…
R/07/367B
2023 Approved
Householder planning permission for the installation and alterations of windows and doors…
R/07/367
Within ~100m

Nearby activity

2025 Approved
Thiernswood Hall, Healaugh, DL11 6UJ
Householder planning permission for alteration to the existing staircase window (window D…
R/07/367J
2024 Approved
Thiernswood Cottage, Healaugh, Richmond, DL11 6UJ
Householder planning permission for the introduction of a new door and window to the west…
R/07/367G
2023
The Coach House, Thiernswood Hall, Healaugh, Richmond, North Yorkshire, DL11 6UJ
Full planning permission for conversion of former Coach House to small self-contained liv…
R/07/367A

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

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.