The Poplars, Westerham Road, Keston, BR2 6AG Data via plota.co.uk

26/02345/NOT - Prior approval Part 1 Class A.1(ea) Decided
Extensions & alterations

Proposal

Single storey rear extension, extending beyond the rear wall of the original house by 8m, for which the maximum height would be 4m, and for which the height of the eaves would be 2.72m (42 Day Notification for Householder Permitted Development Prior Approval) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
9 Jun 2026
✓
Validated
15 Jun 2026
✓
Prior approval is not required
27 Jul 2026

Prior approval is not required on 27 Jul 2026 · Delegated Decision · Last checked 22 Aug 2026

Documents 4

Plans & drawings 3

PDF Proposed Plans and Elevations - 03 Drawing · 9 Jun 2026 View ↗ PDF Existing Plans and Elevations - 02 Drawing · 9 Jun 2026 View ↗ PDF Location Plan - 01 Drawing · 9 Jun 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form No Personal Data · 15 Jun 2026 View ↗

All documents on the council site ↗

Site constraints 5

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.
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Aqma 2020
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Agricultural land, grade 3b
Not best and most versatile land (grades 1, 2 and 3a). Predicted from the national soil map. The older provisional map agrees.
Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.
Habitat network: Network Enhancement Zone 1
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 11 September 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.

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28 Aug 2026Pending

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Important details

Council
Bromley
Application type
Prior approval Part 1 Class A.1(ea)
Postcode
BR2 6AG
Received
9 Jun 2026
Validated
15 Jun 2026
Ward
Hayes & Coney Hall
Target decision
27 Jul 2026
Decision
PRIOR APPROVAL IS NOT REQUIRED
Decision date
27 Jul 2026
Decision level
Delegated Decision
Applicant
Show
Agent
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Public comments

No public comments yet.

Last counted 22 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
7 Jul 2026

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
T1 Oak tree - Fell. SUBJECT TO TPO 1519 (14.9.1998)
25/05261/TPO
2020 Approved
Loft conversion with north east facing dormer and south west facing double cabrio window
20/03493/FULL6
Within ~100m

Nearby activity

2025 Refused
Warbank House Westerham Road Keston BR2 6AG
Elevational alterations and enlargement of lower ground floor and construction of two sto…
25/01052/FULL6
2024 Approved
The Poplars , Westerham Road, Keston, BR2 6AG
Loft conversion with front dormer, rear double cabrio window and side rooflights.
24/00357/FULL6
Bromley
Planning Authority Score
4.4/10
Below average
#178 of 296 councils
Relevant to this application:
Householder decisions

Bromley ranks #143 out of 296 councils for householder decision speed. Bromley is also one of the strictest councils - it refuses more householder applications than almost any other, with only 79% approved vs 90% nationally.

One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Bromley decision statistics
Based on MHCLG data, the year to March 2026
77%
Overall approval rate
Below avg (87%) #276 of 296
79%
Householder approved
Below avg (90%) #280 of 296
66%
Decided in 8 weeks
Above avg (63%) #143 of 296
33%
Extended time limit
Below avg (41%) #72 of 296
63%
Minor dwellings approved
70 decided (1-9 homes)
88%
Major dwellings approved
8 decided (10+ homes)
50%
Change of use approved
42 decided
2,164
Total decisions
500 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings