17 Penlands Way Steyning West Sussex BN44 3PN Data via plota.co.uk

DC/26/1417 - Householder Registered

Proposal

Erection of a part single storey and part two storey rear extension with associated alterations, including front porch, revised fenestration, and external rendering. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Sept 2026
Decision
Expected by 29 Oct 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 29 Oct 2026, from Horsham's recent extensions.

Comments are open until 13 Oct 2026

Comment on this application ↗

Site constraints 5

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
National park 187 m away: South Downs; Radon affected area, class 4; Inside the Steyning built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 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.

Sales history 1

Last sold for £517,500 in July 2026. Semi-detached house, freehold.

22 July 2026£517,500

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

Building

Floor area125 m² (1,345 sq ft)
Energy ratingD (68 out of 100), could reach C
PropertyDetached house, 5 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, filled cavity

From the energy performance certificate lodged in March 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Horsham
Application type
Householder
Postcode
BN44 3PN
Received
3 Sept 2026
Validated
3 Sept 2026
Ward
Steyning and Ashurst
Parish
Steyning PC
Case officer
Show
Target decision
29 Oct 2026
Applicant
Show
Agent
M J Humphrey Ltd

Decision outlook

Day 36 of the 56-day target. Horsham usually decides extensions by day 56.

Day 3620 days to the 56-day target
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.

6 neighbours consulted · Last counted 1 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15202291
Planning Portal ref
PP-15202291
Comments by
13 Oct 2026
Statutory expiry
29 Oct 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.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.