57 Grasmere Gardens, Orpington, BR6 8HF Data via plota.co.uk

26/03652/HPA - Householder planning permission Valid

Proposal

Demolition of existing detached storage building and construction of single storey side and part one/two storey rear extensions, enlarged rear dormer and elevational alterations. Data via plota.co.uk

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 14 Oct 2026

Comment on this application ↗

Site constraints 6

Flood zone 2, rivers and sea
Medium chance: between a 1 in 100 and 1 in 1,000 annual chance from rivers, or 1 in 200 to 1 in 1,000 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 ↗
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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Inside the Bromley built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Designated open space about 37 m away.
Not affected
Not green belt · 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, 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.

Sales history 1

Last sold for £450,000 in October 2025. Semi-detached house, freehold.

15 October 2025£450,000

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

Building

Floor area67 m² (721 sq ft)
Energy ratingD (59 out of 100), could reach C
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2025, 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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Important details

Council
Bromley
Application type
Householder planning permission
Postcode
BR6 8HF
Received
17 Sept 2026
Validated
17 Sept 2026
Ward
Farnborough & Crofton
Case officer
Show
Target decision
12 Nov 2026
Decision level
Delegated Decision
Applicant
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 1 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
14 Oct 2026
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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.