45 High Street North Marston Buckinghamshire MK18 3PD Data via plota.co.uk

PL/26/05012/FA - Full Application Approved

Proposal

Proposed single storey rear extension including proposed brick piers with bi-fold doors between, and timber frame flat roof with frameless lantern roof light. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
19 Jun 2026
✓
Consultation
28 Aug 2026
✓
Approved
7 Oct 2026

Approved on 7 Oct 2026 · Delegated Decision · Last checked 7 Oct 2026

Site constraints 7

North Marston 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 ↗
6 listed buildings within 150 m
Nearest: 29 and 31, High Street, Grade II, 24 m away · 6 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 6 with distances
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.
Also on the record
Inside the North Marston built-up area; Open access land 20 m away: Access Land - Combined Open Country, Registered Common Land and Section 16 Dedicated Land. MoD Byelaw, Section 28 Exclusions, Racecourses and Aerodromes and ECP Margin have been removed.; Priority habitat 35 m away: Traditional orchard; 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. Historic England, the Environment Agency, Natural England 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 £372,500 in May 2007. Detached house, freehold.

18 May 2007£372,500

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

Building

Floor area148 m² (1,593 sq ft)
Energy ratingE (43 out of 100), could reach C
PropertyEnd-terrace house, 6 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, oil
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in February 2024, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Full Application
Postcode
MK18 3PD
Received
19 Jun 2026
Validated
19 Jun 2026
Ward
Quainton
Parish
North Marston
Case officer
Show
Target decision
14 Aug 2026
Decision
Approved
Decision date
7 Oct 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Optime Surveyors

How this decision compares

Decided in 110 days from validation, 54 days slower than Buckinghamshire's median of 56 for extensions. Approved, as 82% of extensions here are.

54%decided within 8 weeks
82%approved
2,226decided in the last year

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

Public comments

No public comments yet.

8 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Neighbours
2 Jul 2026
Consultation
28 Aug 2026
Comments by
18 Sept 2026
Site or press notice
12 Aug 2026
Statutory expiry
14 Aug 2026
Env. assessment
No
Buckinghamshire
Planning Authority Score
1.3/10
Poor
#284 of 296 councils
Relevant to this application:
Householder decisions

Buckinghamshire is one of the slowest councils in England for householder decisions, ranking #280 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly less likely to be approved here (86%) 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
Buckinghamshire decision statistics
Based on MHCLG data, the year to March 2026
84%
Overall approval rate
Below avg (87%) #217 of 296
86%
Householder approved
Below avg (90%) #241 of 296
34%
Decided in 8 weeks
Below avg (63%) #280 of 296
55%
Extended time limit
Above avg (41%) #248 of 296
76%
Minor dwellings approved
491 decided (1-9 homes)
82%
Major dwellings approved
71 decided (10+ homes)
82%
Change of use approved
131 decided
4,446
Total decisions
690 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.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.