Marian Cottage Redhill Denham Buckinghamshire UB9 4LE Data via plota.co.uk

PL/26/07716/PNE - Prior Appr Registered
Extensions & alterations

Proposal

Notification under The Town and Country Planning (General Permitted Development) Order 2015, Part 1 of Schedule 2 Class A for: single storey rear extension (depth extending from the original rear wall of 8 metres, maximum height 4 metres, eaves height 2.4 metres). Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
around 1 Oct 2026
Decision
Expected by 11 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 26 Nov 2026, from Buckinghamshire's recent extensions.

Documents 2

Application forms 1

PDF Application Form and Certificate Application Form and Certificate · 1 Oct 2026 View ↗

Other documents 1

PDF MCRD 2TP02 - PN REAR -CONSERVATORY Additional Information · 24 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 8

Green belt: London
Inappropriate development needs very special circumstances.
Green belt policy allows a short list of exceptions, such as limited extensions and replacement buildings. Anything else needs very special circumstances that clearly outweigh the harm. Some green belt land can count as grey belt, where it does not strongly serve the green belt's purposes. The council decides this in its green belt assessment or on each application, so we do not mark it here.
Read the government guidance ↗
Habitat network: Traditional orchards
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
2 listed buildings within 150 m
Nearest: Barn Cottage Huntwyk Cottage, Grade II, 33 m away · 2 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 2 with distances
Historic England ↗
Also on the record
SSSI 464 m away: Old Rectory Meadows SSSI; Inside the Baker's Wood built-up area; Priority habitat 12 m away: Traditional orchard; National infrastructure project 1933 m away: Expansion of Heathrow Airport (Third Runway), 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 · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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 £1,250,000 in June 2025. Detached house, freehold.

5 June 2025£1,250,000

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

Building

Floor area128 m² (1,378 sq ft)
Energy ratingD (64 out of 100), could reach A
PropertyDetached bungalow, 5 habitable rooms
Built2007 to 2011
HeatingBoiler and underfloor heating, LPG
WallsCavity wall, as built, insulated (assumed)

From the energy performance certificate lodged in June 2023, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Buckinghamshire
Application type
Prior Appr
Postcode
UB9 4LE
Received
around 1 Oct 2026
Validated
1 Oct 2026
Ward
Gerrards Cross and Denham
Parish
Denham Parish Council
Target decision
11 Nov 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DP Architects

Decision outlook

Day 8 of the 56-day target. Buckinghamshire usually decides extensions by day 56.

Day 848 days to the 56-day target
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.

Last counted 3 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
11 Nov 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025
The erection of a single storey rear extension, which would extend beyond the rear wall o…
PL/25/6072/PNE
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
Source: MHCLG planning statistics · See full council rankings

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.