85 Jail Lane, Biggin Hill, Westerham, TN16 3SE Data via plota.co.uk

26/03637/HPA - Householder planning permission Valid
DemolitionExtensions & alterations

Proposal

Demolition of existing garage and construction of single storey rear extension with raised patio and loft conversion incorporating hip to gable roof extension to rear with Juliet balcony, rooflights and elevational alterations to include rendering and the roof re-tiled. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Sept 2026
Decision
Expected by 12 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 12 Nov 2026, from Bromley's recent demolitions.

Comments are open until 12 Oct 2026

Comment on this application ↗

Documents 11

Plans & drawings 10

PDF Existing and Proposed Rear Elevations - 85JL/PL/26/301 P00 Drawing · 17 Sept 2026 View ↗ PDF Existing and Proposed Side Elevations - 85JL/PL/26/303 P00 Drawing · 17 Sept 2026 View ↗ PDF Existing and Proposed Ground Floor and First Floor Plans - 85JL/PL/26/200 P00 Drawing · 17 Sept 2026 View ↗ PDF Location and Block Plans - 85JL/PL/26/100 P00 Location Plan and Block Plan · 17 Sept 2026 View ↗ PDF Existing and Proposed Sections Through - 85JL/PL/26/400/ P00 Drawing · 17 Sept 2026 View ↗ PDF Existing and Proposed Roof Plans - 85JL/PL/26/202 P00 Drawing · 17 Sept 2026 View ↗ PDF Existing and Proposed Side Elevations - 85JL/PL/26/304 P00 Drawing · 17 Sept 2026 View ↗ PDF Location Plan Location Plan · 17 Sept 2026 View ↗ PDF Existing and Proposed Front Elevation - 85JL/PL/26/300 P00 Drawing · 17 Sept 2026 View ↗ PDF Existing and Proposed Side Elevations - 85JL/PL/26/302 P00 Drawing · 17 Sept 2026 View ↗

Application forms 1

PDF Application Form Redacted Application Form No Personal Data · 17 Sept 2026 View ↗

All documents on the council site ↗

Site constraints 4

Also on the record
Radon affected area, class 4; Inside the Bromley built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square; Green belt about 39 m away: London.
Not affected
Outside flood zones 2 and 3 · No scheduled monument at the site

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 British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI), Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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 area80 m² (861 sq ft)
Energy ratingF (24 out of 100), could reach C
PropertyDetached bungalow, 4 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in March 2026, 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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Other new applications on this street

16 Jul 2026Decided

65 JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3SE

Details submitted to comply with the requirements of the following conditions re...

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17 Sept 2026Pending

THE OLD JAIL, JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3AX

Demolition of existing extensions and outbuildings. Internal and external altera...

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15 Jul 2026Pending

LAND WEST OF LITTLEWOOD FARM, JAIL LANE, BIGGIN HILL

Continued use of land and proposed use of adjacent field to the south as a resid...

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13 Jul 2026Refused

PRIMROSE COTTAGE, JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3AX

Retention of 3no single storey detached outbuildings for use as ancillary storag...

26/02836/HPA

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9 Sept 2026Pending

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4 Jun 2026Pending

48 HILLCREST ROAD, BIGGIN HILL, WESTERHAM, TN16 3TY

Retention of replacement windows, including a rear Juliette balcony and alterati...

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24 Jul 2026Approved

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16 Jul 2026Decided

65 JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3SE

Details submitted to comply with the requirements of the following conditions re...

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Important details

Council
Bromley
Application type
Householder planning permission
Postcode
TN16 3SE
Received
17 Sept 2026
Validated
17 Sept 2026
Ward
Biggin Hill
Case officer
Show
Target decision
12 Nov 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Show

Decision outlook

Day 22 of the 56-day target. Bromley usually decides demolitions by day 56.

Day 2234 days to the 56-day target
79%decided within 8 weeks
74%approved
436decided in the last year

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

Public comments

No public comments yet.

Last counted 6 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
12 Oct 2026

Historical activity at this location

13 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Approved
65 JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3SE
Erection of stable for private/personal use.
25/04817/FPA
2025 Approved
65 JAIL LANE, BIGGIN HILL, WESTERHAM, TN16 3SE
Details submitted to comply with the requirements of the following conditions relating to…
25/02090/CON
2025 Approved
65 Jail Lane, Biggin Hill, TN16 3SE
Formation of sand school riding arena, with post and rail fence, for private use.
25/02090/FULL1
2023 Refused
53 Jail Lane, Biggin Hill, TN16 3SE
Outline application for demolition of existing dwellings (51 and 53 Jail Lane), formation…
23/03484/OUT
2021 Approved
75 Jail Lane Biggin Hill TN16 3SE
Erection of raised decking to rear garden (Retrospective)
21/02796/FULL6
2019 Approved
79 Jail Lane Biggin Hill TN16 3SE
Single storey rear extension, extending beyond the rear wall of the house as existing by…
19/00310/HHPA
2019 Approved
49 Jail Lane Biggin Hill TN16 3SE
The construction of a 6 metre deep single storey rear extension for which prior approval…
19/00099/PLUD
2018 Approved
64 Jail Lane Biggin Hill TN16 3SB
Erection of wooden fence with trellis to left/right and rear boundary of back garden at a…
18/04051/FULL6
2018 Refused
49 Jail Lane Biggin Hill TN16 3SE
Single storey rear extension where prior approval was not required under ref: 18/03471/HH…
18/04299/PLUD
2018 Approved
49 Jail Lane Biggin Hill TN16 3SE
Single storey rear extension, extending beyond the rear wall of the house as existing by…
18/03471/HHPA
2018 Approved
49 Jail Lane Biggin Hill TN16 3SE
Single storey rear extension, extending beyond the rear wall of the house as existing by…
18/02749/HHPA
2017 Refused
49 Jail Lane Biggin Hill TN16 3SE
Single storey rear extension and loft conversion
17/05523/FULL6
2017 Approved
64 Jail Lane Biggin Hill TN16 3SB
Single storey rear and side extensionPART RETROSPECTIVE APPLICATION
17/04537/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

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.