104 Sea Lane Worthing West Sussex BN12 4PU Data via plota.co.uk

AWDM/0975/26 - Certificate Proposed Lawful Use/Dev Approved

Proposal

Application for Certificate of Lawfulness for proposed loft conversion with rear dormer Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
19 Aug 2026
✓
Validated
24 Aug 2026
✓
Approved
9 Sept 2026

Approved on 9 Sept 2026 · Last checked 3 Sept 2026

Site constraints 4

Also on the record
Conservation area about 24 m away: Goring; 2 listed buildings within 150 m of the postcode pin; Radon affected area, class 3; Inside the Worthing 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, 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 £382,500 in September 2014. Semi-detached house, freehold.

26 September 2014£382,500

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

Building

Floor area117 m² (1,259 sq ft)
Energy ratingB (84 out of 100)
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
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
Worthing
Application type
Certificate Proposed Lawful Use/Dev
Postcode
BN12 4PU
Received
19 Aug 2026
Validated
24 Aug 2026
Ward
Goring
Case officer
Show
Target decision
19 Oct 2026
Decision
Application Permitted
Decision date
9 Sept 2026
Applicant
Show
Agent
Si-tec Plans Ltd

How this decision compares

Decided in 16 days from validation, 36 days faster than Worthing's median of 52 for extensions. Approved, as 92% of extensions here are.

76%decided within 8 weeks
92%approved
302decided in the last year

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

Public comments

No public comments yet.

Last counted 3 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15168025
Planning Portal ref
PP-15168025
Statutory expiry
19 Oct 2026
Env. assessment
No
Worthing
Planning Authority Score
4/10
Below average
#194 of 296 councils
Relevant to this application:
Householder decisions

Worthing is slower than most councils at deciding householder applications, ranking #226 out of 296. Householder applications are slightly more likely to be approved here (94%) 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
Worthing decision statistics
Based on MHCLG data, the year to March 2026
91%
Overall approval rate
Above avg (87%) #105 of 296
94%
Householder approved
Above avg (90%) #124 of 296
53%
Decided in 8 weeks
Below avg (63%) #226 of 296
44%
Extended time limit
Above avg (41%) #188 of 296
72%
Minor dwellings approved
39 decided (1-9 homes)
100%
Major dwellings approved
4 decided (10+ homes)
78%
Change of use approved
36 decided
573
Total decisions
54 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.