12 Rosehill Terrace Mount Pleasant Swansea SA1 6JN Data via plota.co.uk

2026/1281/ELD - Lawful Dev. Cert. - Existing Refused

Proposal

Use of property as a Class C4 HMO (application for a Certificate of Lawfulness) Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
5 Aug 2026
✓
Validated
7 Aug 2026
✓
Consultation
7 Aug 2026
✗
Refused
14 Sept 2026
Appeal
Not lodged

Refused on 14 Sept 2026 · Delegated Decision · Last checked 18 Sept 2026

Site constraints 3

Also on the record
Radon affected area, class 2; Coalfield, development low risk area; Conservation area 81 m away: Ffynone.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Mining Remediation Authority, 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 4

Last sold for £180,000 in January 2026. Terraced house, freehold.

19 January 2026£180,000Recorded as a transfer outside a standard sale
28 July 2015£175,000
31 May 2013£151,500
14 September 2006£190,000

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

Building

Floor area161 m² (1,733 sq ft)
Energy ratingD (63 out of 100), could reach B
PropertyMid-terrace house, 7 habitable rooms
Built1900 to 1929
HeatingBoiler and radiators, mains gas
WallsSandstone or limestone, as built, no insulation (assumed)

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

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Important details

Council
Swansea
Application type
Lawful Dev. Cert. - Existing
Postcode
SA1 6JN
Received
5 Aug 2026
Validated
7 Aug 2026
Ward
Uplands - Bay Area
Case officer
Show
Target decision
2 Oct 2026
Decision
Was Not Lawful (existing)
Decision date
14 Sept 2026
Decision level
Delegated Decision
Applicant
Show
Agent
DP Architecture Ltd
Freehold owner
Show

Public comments

No public comments yet.

Last counted 18 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Consultation
7 Aug 2026
Comments by
1 Sept 2026
Site or press notice
11 Aug 2026
Statutory expiry
2 Oct 2026
Env. assessment
No

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.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.