17 Cowdray Close, Woolstone, Milton Keynes, MK15 0AP Data via plota.co.uk

PLN/2026/1686 - Lawful development Refused

Proposal

Certificate of lawfulness for a single storey front porch extension, single storey side extension, a two-storey rear extension and a detached out-building Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
10 Aug 2026
✓
Validated
27 Aug 2026
✗
Refused
19 Oct 2026
Appeal
Not lodged

Refused on 19 Oct 2026 · Delegated Decision · Last checked 20 Oct 2026

Documents 14

All documents on the council site ↗

Site constraints 7

2 Article 4 directions
Article 4 Direction relating to Houses in Multiple Occupation (HIMO) - Non immediate direction · Article 4 Direction relating to Houses in Multiple Occupation (HIMO) - Immediate direction. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
5 listed buildings within 150 m of the postcode pin
Nearest: Bellcote/gazebo to west of Church Farmhouse; now part of No.20, The Cottage., Grade II, about 40 m from the postcode pin · 1 Grade II*, 4 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 5 with distances
Historic England ↗
Also on the record
Scheduled monument about 175 m away: Moated site and associated fishpond south of Mill Lane; Radon affected area, class 2; National infrastructure project about 331 m away: The Grand Union Canal Transfer, at pre-application; Inside the Milton Keynes built-up area; 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

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 1

Last sold for £650,000 in June 2025. Semi-detached house, freehold.

26 June 2025£650,000Recorded as a transfer outside a standard sale

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

Building

Floor area145 m² (1,561 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertyEnd-terrace house, 6 habitable rooms
Built1976 to 1982
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, partial insulation (assumed)

From the energy performance certificate lodged in April 2025, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Application type
Lawful development
Postcode
MK15 0AP
Received
10 Aug 2026
Validated
27 Aug 2026
Ward
Campbell Park & Willen
Parish
Campbell Park
Case officer
Show
Target decision
22 Oct 2026
Decision
Refused
Decision date
19 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Freehold owner
Show

How this decision compares

Decided in 53 days from validation, about the council's usual 56 days. Refused, as 15% of extensions here are.

65%decided within 8 weeks
85%approved
512decided in the last year

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

Public comments

1comment received
1 objecting

Last counted 20 Oct 2026

Read the comments on the council site ↗

Milton Keynes
Planning Authority Score
7.1/10
Good
#59 of 296 councils
Relevant to this application:
Householder decisions

Milton Keynes is faster than most councils at deciding householder applications, ranking #52 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (92%) than the national average (90%).

Faster than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Milton Keynes decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #156 of 296
92%
Householder approved
Above avg (90%) #159 of 296
78%
Decided in 8 weeks
Above avg (63%) #52 of 296
28%
Extended time limit
Below avg (41%) #45 of 296
55%
Minor dwellings approved
66 decided (1-9 homes)
83%
Major dwellings approved
23 decided (10+ homes)
71%
Change of use approved
49 decided
1,088
Total decisions
134 refused in the year to March 2026

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.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.