Flat 3 Costas Studios 41A Bond Street Brighton BN1 1RD Data via plota.co.uk

BH2025/02308 - Full Planning Refused

Proposal

Replacement of existing mansard roof at third floor level front and rear with vertical rendered masonry walls, and construction of new mansard roof at fourth floor level with 2 no. dormers to front and 2 no. dormers rear to accommodate two bedrooms and shower rooms. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
17 Sept 2025
✓
Validated
4 Nov 2025
✓
Consultation
7 Nov 2025
✗
Refused
8 Jan 2026
Appeal
Not lodged

Refused on 8 Jan 2026 · Delegated · Last checked 17 Oct 2026

Documents 19

All documents on the council site ↗

Site constraints 7

Grade II listed: Former National Westminster Bank
List entry 1380621 · 23 m away · 42 more listed buildings within 150 m (1 Grade I, 2 Grade II*, 38 Grade II)
Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show the other 42 with distances
Historic England ↗
North Laine conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
Registered park or garden 53 m away: The Royal Pavilion, Brighton
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Also on the record
Heritage at risk 2 m away: Valley Gardens; Radon affected area, class 3; Inside the Brighton and Hove built-up area; Air quality management area 4 m away: Brighton and Hove AQMA 1.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England, 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 area62 m² (667 sq ft)
Energy ratingC (78 out of 100)
PropertyMid-terrace flat
Built2022
HeatingBoiler and radiators, mains gas
WallsAverage thermal transmittance 0.14 W/m²K

From the energy performance certificate lodged in August 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Full Planning
Postcode
BN1 1RD
Received
17 Sept 2025
Validated
4 Nov 2025
Ward
West Hill & North Laine
Case officer
Show
Target decision
30 Dec 2025
Decision
Refused
Decision date
8 Jan 2026
Decision level
Delegated
Applicant
Show

How this decision compares

Decided in 65 days from validation, 5 days faster than Brighton and Hove's median of 70 for full applications. Refused, as 13% of full applications here are.

36%decided within 8 weeks
87%approved
7%go to committee

Plota live figures for full applications decided by Brighton and Hove in the last twelve months, from validation. Brighton and Hove decision record →

Consultation & key dates

Neighbours
12 Nov 2025
Consultation
7 Nov 2025
Comments by
12 Dec 2025
Site or press notice
19 Nov 2025
Statutory expiry
30 Dec 2025
Env. assessment
No
Brighton and Hove
Planning Authority Score
4.3/10
Below average
#185 of 296 councils
Relevant to this application:
Householder decisions

Brighton and Hove is slower than most councils at deciding householder applications, ranking #238 out of 296. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Brighton and Hove decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #107 of 296
95%
Householder approved
Above avg (90%) #70 of 296
50%
Decided in 8 weeks
Below avg (63%) #238 of 296
46%
Extended time limit
Above avg (41%) #200 of 296
71%
Minor dwellings approved
189 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
70%
Change of use approved
63 decided
1,719
Total decisions
176 refused in the year to March 2026

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.