175 St Leonards Road Horsham West Sussex RH13 6BD Data via plota.co.uk

DC/26/1306 - Householder Approved

Proposal

Erection of a single storey rear extension and associated alterations. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Aug 2026
✓
Approved
28 Sept 2026

Approved on 28 Sept 2026 · Delegated Decision · Last checked 28 Sept 2026

Site constraints 3

Article 4 direction
Article 4 Direction. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Also on the record
National landscape about 321 m away: High Weald; 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. 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 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 area92 m² (990 sq ft)
Energy ratingC (71 out of 100)
PropertySemi-detached house, 5 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

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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Important details

Council
Horsham
Application type
Householder
Postcode
RH13 6BD
Received
3 Aug 2026
Validated
3 Aug 2026
Ward
Forest
Parish
Horsham TC
Case officer
Show
Target decision
28 Sept 2026
Decision
Application Permitted
Decision date
28 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
LDV Architecture Ltd

How this decision compares

Decided in 56 days from validation, about the council's usual 56 days. Approved, as 96% of extensions here are.

76%decided within 8 weeks
96%approved
500decided in the last year

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

Public comments

No public comments yet.

3 neighbours consulted · Last counted 28 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
8 Sept 2026
Statutory expiry
28 Sept 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

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.