Thornseat Lodge,Mortimer Road,Sheffield,, Data via plota.co.uk

NP/DIS/0326/0242 - Discharge of Conditions Decided

Proposal

Discharge of Conditions 6,7,8,18,19 and 20 on . Data via plota.co.uk

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View original council record ↗Last checked 25 Oct 2026, 03:56

Application progress

✓

Received

4 Mar 2026

✓

Validated

9 Mar 2026

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Condition/s Partly Discharged

4 Jun 2026

Condition/s Partly Discharged on 4 Jun 2026 · Last checked 9 Sept 2026

Documents 33

Associated applications 3

Part of

Full22 Dec 2023council archive

Conditions details submitted for 6, 7, 8, 18, 19, 20 · variation sought for 2, 17
- ConditionsDischarge of Conditions 6,7,8,18,19 and 20.This application9 Mar 2026NP/DIS/0326/0242
- VariationS.73 application for the variation of condition 2, 17 and 207 Jul 2026NP/S/0726/0661

Site constraints 13

Flood zone 3, rivers and sea

High chance: a 1 in 100 or greater annual chance from rivers, or 1 in 200 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 ↗

Peak District 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.

Castleton 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 ↗

Public footpath about 16 m away

Matters where it crosses or adjoins the site: obstructing a path without a diversion order is an offence, and work cannot start until the order is confirmed.

Compiled from highway authority data, not the legal definitive map. A few authorities have not published, so no path shown is not proof there is none.

Scheduled monument about 35 m away: Town defences 270m north and 350m north east of Peveril Castle

Its setting is a consideration for work nearby.

Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.

Historic England ↗

Habitat network: Network Enhancement Zone 1

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 about 201 m away: Castleton 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.

Also on the record

9 listed buildings within 150 m of the postcode pin; Flood defence about 10 m from the postcode pin (engineered high ground); Inside the Castleton (High Peak) built-up area; National infrastructure project about 1069 m away: Peak Cluster CCS Pipeline, at pre-application; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.

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.

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