Planning application
12 Rosehill Terrace Mount Pleasant Swansea SA1 6JN
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Use of property as a Class C4 HMO (application for a Certificate of Lawfulness)
As published by the council, reference 2026/1281/ELD
Application record
- Reference
- 2026/1281/ELD
- Type
- Lawful Dev. Cert. - Existing
- Status
- Being Considered
- Received
- 5 Aug 2026
- Validated
- 7 Aug 2026
- Ward
- Uplands - Bay Area
- Postcode
- SA1 6JN
Site history
Applications at this address on the Swansea register
This site has had 2 applications since 2026: 0 approved, 1 refused.
-
2026/0598/FUL Refused
12 Rosehill Terrace Mount Pleasant Swansea SA1 6JN
Change of use from 6 bedroom HMO (Class C4) to 7 bedroom HMO (Unique Use Class)
Timeline
Dates from the published record
-
5 Aug 2026
Received by Swansea
-
7 Aug 2026
Validated
Checked as complete and ready for consideration.
-
14 Aug 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 2 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Swansea took a median of 55 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice
81 applications on PlanIndex · across 12 councils · 83% granted
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
2 documents on file for this application
- APPLICATION FORM
- EXISTING PLANS & ELEVATIONS
Trade members open them from here.
Open the documentsWhat happens while it is decided
This application is with Swansea for determination, against a statutory target of eight weeks. Over the last year Swansea decided lawful development applications in a median of 48 days. More in our guide to how long planning decisions take.
About lawful development applications
A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
12 Rosehill Terrace Mount Pleasant Swansea SA1 6JN
Change of use from 6 bedroom HMO (Class C4) to 7 bedroom HMO (Unique Use Class)
Refused Full applications 8 docs -
9 Penmaen Terrace Mount Pleasant Swansea SA1 6HZ
Use of property as two units. The basement is used as a 1 bed flat for two occupants and the ground, first and second floor are used as a 6 bed HMO (Class C4) (application for a Certificate of Existing Lawful Development)
Decided Lawful development 26 docsSeveral homes -
23 Rosehill Terrace Mount Pleasant Swansea SA1 6JN
Retention and completion of first floor rear extension and second floor rear dormer.
Refused Full applications Extension Loft or dormer 13 docs -
3 Montpelier Terrace Mount Pleasant Swansea SA1 6JW
Use of property as a House in Multiple Occupation (application for a Certificate of Lawfulness)
Decided Lawful development 9 docs -
1 Montpelier Terrace Mount Pleasant Swansea SA1 6JW
Change of use from residential (Class C3) to an 8 bed (one bed to a detached garage flat) HMO (Sui Generis) with a part two storey part single storey rear extension and rear decked area, bike and bin store, and a replacement detached outbuilding with side dormers comprising ground floor garage and first floor flat.
Refused Full applications Extension Loft or dormer 23 docsSmall domestic -
35 Montpelier Terrace Mount Pleasant Swansea SA1 6JW
Change of use of 3 no. one bedroom flats to 4 no. one bedroom flats with rear dormer insertion, and creation of rear access with a parking space
Granted Full applications New dwelling Loft or dormer 25 docs
Other lawful development applications
In Swansea
-
2026/1425/PLD Awaiting decision
18 Moorside Road West Cross Swansea SA3 5EY
Enlargement of existing rear dormer roof extensions with rear Juliet balcony (application for a Certificate of Proposed Lawful Development)
-
2026/0962/ELD Decided
9 Gore Terrace Mount Pleasant Swansea SA1 5DN
Use of upper floor Flat/Maisonette as a HMO for up to 6 people (Class C4) application for a Certificate of Existing Lawful Development)
-
2026/0756/PLD Decided
55 - 57 Eversley Road Sketty Swansea SA2 9DE
The proposed development is for a change of use from a bakery to a Premier Convenience Store (application for a Certificate of Proposed Lawful Development)
-
2026/1395/PLD Awaiting decision
152 Pennard Drive Southgate Swansea SA3 2DR
Single storey rear extension & ground floor side window (Application for a certificate of Proposed Lawful Development)
-
2026/0787/ELD Decided
11 Bernard Street Uplands Swansea SA2 0HU
Continued use of property to house ex-service veterans on a temporary basis (application for a Certificate of Existing Lawful Development)