The Chestnuts River Road Taplow Buckinghamshire SL6 0EA Data via plota.co.uk

PL/26/07932/SA - Certificate of Lawful Use - Proposed Registered
Extensions & alterations

Proposal

Certificate of Lawfulness for proposed construction of a rear extension to create a new utility and boot room 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 26 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 2

PDF APPLICATIONFORMREDACTED Application Form and Certificate · 1 Oct 2026 View ↗ PDF PD COMPLIANCE FORM - CLASS A Additional Information · 1 Oct 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 ↗
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 ↗
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
Radon affected area, class 2; Conservation area 46 m away: Taplow Riverside; National infrastructure project 1591 m away: M4 Junctions 3 to 12 Smart Motorway; Inside the Maidenhead built-up area; Priority habitat 19 m away: Deciduous woodland.
Not affected
No listed building at the site · No scheduled monument at the site

Checked on 15 October 2026. 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.

Building

Floor area175 m² (1,884 sq ft)
Energy ratingB (85 out of 100), could reach A
PropertyDetached house
Built2015
HeatingBoiler and underfloor heating, mains gas
WallsAverage thermal transmittance 0.22 W/m²K

From the energy performance certificate lodged in November 2015, 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
Certificate of Lawful Use - Proposed
Postcode
SL6 0EA
Received
around 1 Oct 2026
Validated
1 Oct 2026
Ward
Burnham
Parish
Taplow Parish Council
Case officer
Show
Target decision
26 Nov 2026
Decision level
Delegated Decision
Applicant
Show
Agent
JSA Architects Ltd

Decision outlook

Day 27 of the 56-day target. Buckinghamshire usually decides extensions by day 56.

Day 2729 days to the 56-day target
54%decided within 8 weeks
83%approved
2,231decided 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 22 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
26 Nov 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
Source: MHCLG planning statistics · See full council rankings

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.