Plot 150 Swan Valley Way Northampton Data via plota.co.uk

2026/2668/LDE - Lawful Development Certificate (Existing) 3 - Case Officer Allocated (1-10)

Proposal

Lawful Development Certificate (Existing use or development) - Confirmation that the ground level raising and drainage ditch pre-commencement conditions have been discharged in pursuant to the Town and Country (Use Classes Order) 1987 (as amended). Data via plota.co.uk

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View original council record ↗Last checked 28 Oct 2026, 12:10

Application progress

✓

Received

19 Jun 2026

Decision

Target date was 14 Aug 2026

Under consideration

No decision has been issued yet. A decision is expected by 14 Aug 2026.

Documents 16

Site constraints 4

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 ↗

Also on the record

Nature improvement area: Nene Valley; National infrastructure project about 1782 m away: The Grand Union Canal Transfer, 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

Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

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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Important details

Council: West Northamptonshire
Application type: Lawful Development Certificate (Existing)
Received: 19 Jun 2026
Validated: 19 Jun 2026
Ward: Upton Ward
Parish: Hunsbury Meadows Parish Council
Target decision: 14 Aug 2026
Decision level: Delegated
Applicant: Show
Agent: Montagu Evans LLP

West Northamptonshire

Planning Authority Score

1.7/10

Poor

#280 of 296 councils

Relevant to this application:

Householder decisions

West Northamptonshire is one of the slowest councils in England for householder decisions, ranking #295 out of 296. The council extends the time limit on 79% of applications - one of the highest rates in England. Expect your application to take longer than the standard deadline. Householder applications are slightly more likely to be approved here (93%) than the national average (90%).

Among the slowest councils in England

for householder decisions

These figures are council-wide context, not a prediction for this application. View full council performance

West Northamptonshire decision statistics

Based on MHCLG data, the year to March 2026

90%

Overall approval rate

Above avg (87%) #123 of 296

93%

Householder approved

Above avg (90%) #144 of 296

18%

Decided in 8 weeks

Below avg (63%) #295 of 296

79%

Extended time limit

Above avg (41%) #295 of 296

81%

Minor dwellings approved

170 decided (1-9 homes)

83%

Major dwellings approved

24 decided (10+ homes)

86%

Change of use approved

207 decided

1,832

Total decisions

179 refused in the year to March 2026

Plot 150 Swan Valley Way Northampton Data via plota.co.uk

Proposal

Application progress

Documents 16

Statements & assessments 2

Plans & drawings 1

Application forms 1

Other documents 12

Site constraints 4

Nearby new applications

Important details