15 Ancaster Road, Beckenham, BR3 4DZ Data via plota.co.uk

26/01577/LDC - Lawful development Approved
Admin / procedural

Proposal

Existing single storey rear extension LAWFUL DEVELOPMENT CERTIFICATE (EXISTING) Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
21 Apr 2026
✓
Approved
10 Jun 2026

Approved on 10 Jun 2026 · Delegated Decision · Last checked 22 Aug 2026

Documents 6

Decision & officer reports 2

PDF Decision Notice Decision Notice · 10 Jun 2026 View ↗ PDF Officer Report Officer Delegation Report · 10 Jun 2026 View ↗

Plans & drawings 3

PDF pre-existing floor/roof, elevations, section and site location plan - 01 Drawing · 21 Apr 2026 View ↗ PDF existing floor/roof, elevations, section and site location plan - 02 Drawing · 21 Apr 2026 View ↗ PDF site location plan Location Plan · 21 Apr 2026 View ↗

Application forms 1

PDF application form redacted Application Form No Personal Data · 21 Apr 2026 View ↗

All documents on the council site ↗

Site constraints 2

Air quality management area: Bromley AQMA
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 ↗
Also on the record
Inside the Bromley built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · 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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Other new applications on this street

1 Jul 2026Pending

26 ANCASTER ROAD, BECKENHAM, BR3 4DY

Loft conversion with roof alterations comprising of hip to gable end, rear dorme...

26/02662/HPA

Nearby new applications

14 Aug 2026Pending

72 BECK LANE, BECKENHAM, BR3 4RQ

Demolition of conservatory and construction of a single storey rear extension, e...

26/03257/NOT
30 Jul 2026Pending

85 BECK LANE, BECKENHAM, BR3 4RG

Hip to gable loft conversion comprising rear dormer with window to side and roof...

26/03074/LDC
29 Jul 2026Pending

98 FORSTER ROAD, BECKENHAM, BR3 4LQ

Demolition of existing attached garage and construction of a single storey front...

26/03049/HPA
1 Jul 2026Pending

26 ANCASTER ROAD, BECKENHAM, BR3 4DY

Loft conversion with roof alterations comprising of hip to gable end, rear dorme...

26/02662/HPA
10 Jul 2026Approved

12 ST JAMES'S AVENUE, BECKENHAM, BR3 4HG

Single storey rear extension.

26/02805/HPA
29 Jun 2026Decided

50 BECK LANE, BECKENHAM, BR3 4RQ

Single storey rear extension, extending beyond the rear wall of the original hou...

26/02608/NOT

Important details

Council
Bromley
Application type
Lawful development
Postcode
BR3 4DZ
Received
21 Apr 2026
Validated
21 Apr 2026
Ward
Clock House
Case officer
Show
Target decision
16 Jun 2026
Decision
EXISTING USE/DEVELOPMENT IS LAWFUL
Decision date
10 Jun 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Show

Public comments

No public comments yet.

Last counted 22 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
15 May 2026

Historical activity at this location

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

This property

Previous applications at this address

2020 Refused
Erection of Single storey rear extension and conversion of loft into habitable space with…
20/04888/FULL1
2020 Approved
Loft conversion with hip to to gable, rear dormer, 3 rooflights and elevational alteratio…
20/02188/PLUD
2020 Approved
Single storey rear extension, extending beyond the rear wall of the original house by 6.0…
20/02061/HHPA
Within ~100m

Nearby activity

2025 Approved
46 ANCASTER ROAD, BECKENHAM, BR3 4DY
Removal of existing rear dormer and construction of replacement rear dormer with addition…
25/05547/LDC
2024 Approved
19 Ancaster Road Beckenham BR3 4DZ
Conversion of dwelling house into 1x three bed ground floor flat, 1x two bed 1st floor fl…
24/02796/FULL1
2024 Approved
8 Maberley Road, Beckenham, BR3 4DX
Single storey rear extension with pitched roof and elevational alternations.
24/02345/FULL6
2023 Approved
48 Ancaster Road, Beckenham, BR3 4DY
Single storey rear/side extension
23/04232/FULL6
2022 Refused
21 Ancaster Road Beckenham BR3 4DZ
Detached garage enlargement with addition of rooflights.
22/01289/FULL6
2022 Approved
54 Ancaster Road Beckenham BR3 4DY
Use of the single dwellinghouse Monday to Friday for up to 46 weeks a year between the ho…
22/03002/PLUD
2021 Refused
19 Ancaster Road Beckenham BR3 4DZ
Conversion of dwelling into one x 3-bedroom flat, one x 2 -bedroom flats and one x 1 bedr…
21/04696/FULL1
2021 Approved
18 Maberley Road Beckenham Bromley BR3 4DX
Summer house LAWFUL DEVELOPMENT CERTIFICATE (PROPOSED)
21/02554/PLUD
2020 Approved
12 Dorset Road, Beckenham, BR3 4EA
Single storey rear extension
20/04810/FULL6
2020 Refused
51 Ancaster Road, Beckenham, BR3 4DZ
Construction of a single storey two bedroom dwelling with associated access, car parking…
20/02327/FULL1
2020 Approved
25 Ancaster Road, Beckenham, BR3 4DZ
Provision of vehicular access and two parking spaces
20/02742/FULL1
2020 Approved
21A Ancaster Road, Beckenham, BR3 4DZ
Demolition of existing buildings and erection of a two storey building comprising seven (…
20/01757/FULL1
2019 Approved
51 Ancaster Road Beckenham BR3 4DZ
Demolition of existing bungalow and the construction of a new building in order to provid…
19/04153/FULL1
2019 Approved
54 Ancaster Road Beckenham BR3 4DY
Hip to gable loft conversion with rear dormer PROPOSED LAWFUL DEVELOPMENT CERTIFICATE
19/04047/PLUD
2019 Refused
51 Ancaster Road Beckenham BR3 4DZ
Demolition of existing bungalow and the construction of a new building in order to provid…
19/01177/FULL1
2019 Approved
56 Ancaster Road Beckenham BR3 4DY
Demolition of existing garages and erection of single storey 2 bedroom dwellinghouse with…
19/01949/FULL1
2018 Approved
56 Ancaster Road Beckenham BR3 4DY
Demolition of existing garage and construction of single storey 2 bedroom residential dwe…
18/03896/FULL1
2018 Approved
21A Ancaster Road Beckenham BR3 4DZ
Demolition of existing buildings at erection of a two storey building comprising 5 two be…
18/02033/FULL1
2018 Approved
4 Dorset Road Beckenham BR3 4EA
Demolition of existing rear garden garage & the part demolition of an existing back exten…
18/04086/FULL6
2018 Refused
5 Dorset Road Beckenham BR3 4EA
Hip to gable loft conversion to incorporate front rooflights and rear dormer with Juliet…
18/02271/FULL6
2018 Refused
5 Dorset Road Beckenham BR3 4EA
Hip to gable loft conversion with dormerPROPOSED LAWFUL DEVELOPMENT CERTIFICATE
18/00995/PLUD
2016 Approved
45 Ancaster Road Beckenham BR3 4DZ
Demolition of existing bungalow and the construction of a two storey building in order to…
16/01091/FULL1
2017 Approved
21 Ancaster Road Beckenham BR3 4DZ
Conversion of dwelling into one x 3-bedroom flat and two x 1-bedroom flats including exte…
17/00968/FULL1
2016 Approved
45 Ancaster Road Beckenham BR3 4DZ
Demolition of the existing bungalow and the construction of a two storey building to prov…
16/02597/FULL1
2016 Approved
12 Maberley Road Beckenham BR3 4DX
Hip to gable and rear dormer extension with front rooflights. (Lawful Development Certifi…
16/01695/PLUD
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