25 Depot Road Horsham West Sussex RH13 5HE Data via plota.co.uk

DC/26/0296 - Householder Refused

Proposal

Erection of a first floor rear extension over existing ground floor, conversion of loft into habitable living space with the installation of a rear dormer and 2no. rooflights to the front elevation, and installation of new roof to existing porch. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
19 Feb 2026
✗
Refused
16 Apr 2026
✗
Appeal dismissed
13 Aug 2026

Refused on 16 Apr 2026 · Delegated Decision · Last checked 6 Jul 2026

Site constraints 1

Also on the record
Inside the Horsham built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 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.

Sales history 1

Last sold for £340,000 in May 2018. Semi-detached house, freehold.

2 May 2018£340,000

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

Building

Floor area75 m² (807 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertySemi-detached house, 4 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in November 2017, 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
Horsham
Application type
Householder
Postcode
RH13 5HE
Received
19 Feb 2026
Validated
19 Feb 2026
Ward
Forest
Parish
Forest NC (Pre HPC)
Case officer
Show
Target decision
16 Apr 2026
Decision
Application Refused
Decision date
16 Apr 2026
Decision level
Delegated Decision
Appeal
Dismissed · 13 Aug 2026 · Written Representations · Inspectorate case 6008268 ↗
Applicant
Show
Agent
Marlon Haus Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Refused, as 4% of extensions here are.

76%decided within 8 weeks
96%approved
507decided in the last year

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

Consultation & key dates

Alt. reference
PP-14717214
Planning Portal ref
PP-14717214
Comments by
26 Mar 2026
Statutory expiry
16 Apr 2026
Env. assessment
No
Horsham
Planning Authority Score
6.6/10
Good
#75 of 296 councils
Relevant to this application:
Householder decisions

Horsham ranks #105 out of 296 councils for householder decision speed. Householder applications are more likely to be approved here than most councils, with a 97% approval rate vs 90% nationally.

More permissive than most councils
97% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Horsham decision statistics
Based on MHCLG data, the year to March 2026
92%
Overall approval rate
Above avg (87%) #83 of 296
97%
Householder approved
Above avg (90%) #33 of 296
72%
Decided in 8 weeks
Above avg (63%) #105 of 296
43%
Extended time limit
Above avg (41%) #170 of 296
75%
Minor dwellings approved
185 decided (1-9 homes)
91%
Major dwellings approved
35 decided (10+ homes)
91%
Change of use approved
78 decided
1,319
Total decisions
111 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.