House extensions in Swansea
Swansea received 511 householder applications in the last 12 months - about 10 a week. Rear extensions and side extensions are the most common. Of the 301 decided so far, 253 were approved. If you're planning your own, the applications below show what people nearby applied for and how the council decided.
4 Windsor Place Mumbles Swansea SA3 4LG
Front dormer, rear rooflights, and single strorey rear extension
37 Heol Gerrig Treboeth Swansea SA5 9BP
Two storey rear extension
9 Plas Gwernfadog Drive Ynysforgan Swansea SA6 6QZ
Two storey rear extension
Woodlands Castle Llanmorlais Swansea SA4 3TL
(Pre-application) Single storey side extension and rear single two storey extension
19A Clarence Street Sandfields Swansea SA1 3QR
Installation of PV panels and replacement roof covering and rooflights
42 - 43 Coed Saeson Crescent Sketty Swansea SA2 9DQ
Change of use from retail (Class A1) to four flats (Class C3) with external alterations (amendment to Planning Permission 2013/0953 granted on appeal ...
Land To The Rear Of Land Of Former Oak Tree Park Hotel Birchgrove Swansea SA7 9JR
Retention and completion of detached outbuilding and detached dwelling (including two storey side extension, two front dormer windows, velux type wind...
85 Higher Lane Langland Swansea SA3 4PD
Single storey side extensions, removal of existing roof structures and addition of a first floor including new roof construction with solar panels, fi...
66 Lon Mafon Sketty Swansea SA2 9ER
Roof extension and loft conversion consisting of a raised ridge height, three South facing dormers and one North facing dormer
17 Croftfield Crescent Newton Swansea SA3 4UL
Single storey side extension alterations to fenestration, and external alterations (application for a Certificate of Proposed Lawful Development)
46 Swansea Road Pontlliw Swansea SA4 9EE
Single story side extension and attic conversion with a raised roof
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)
Ty Morlun Oystermouth Road Swansea SA1 3UL
Proposed automated roller shutter door to control access into existing residential parking
14 Castle Street Mumbles Swansea SA3 4BH
(Pre-application) Garage conversion to garden room with covered decked area & 1.8m high side privacy screen and rear steps.
Ller Fedwen Farm Felindre Swansea SA5 7PX
Rear dormer (application for a Certificate of Proposed Lawful Development)
Ysgol Gyfun Gymraeg Bryn Tawe Heol Gwyrosydd Penlan Swansea SA5 7BU
Replacement windows at the eastern and western elevations of the main school building and the replacement of the curtain wall at the western elevation...
Ysgol Gyfun Gymraeg Bryn Tawe Heol Gwyrosydd Penlan Swansea SA5 7BU
Partial demolition and replacement of existing doors, windows and internal amendments of the sixth form block (Application for a Certificate of Propos...
Ysgol Gyfun Gymraeg Bryn Tawe Heol Gwyrosydd Penlan Swansea SA5 7BU
Partial demolition and replacement of external cladding, roof, windows, doors and internal amendments of Selwyn's gym (application for a Certificate o...
8 Orchard Close Port Eynon Swansea SA3 1NZ
Single storey side extension
26 Kennington Close Killay Swansea SA2 7EF
Single storey rear extension and extension to rear dormer
47 Gors Road Penllergaer Swansea SA4 9BA
Demolition of the rear conservatory, proposed single storey and two storey rear extensions.
The Cottage 266A Derwen Fawr Road Sketty Swansea SA2 8EJ
Two storey extension to the Western and Southern elevations replacing the existing single storey side and front extensions
21 Bryn Road Loughor Swansea SA4 6PG
Detached dwelling (Non Material amendment to planning permission 2019/2695/FUL granted 27th February 2020) for alterations to the elevations by adding...
24 Langland Court Road Langland Swansea SA3 4TB
Two storey side extension with new under croft garden room under external paved area
36 Woodville Road Mumbles Swansea SA3 4AD
Rear dormer extension, front roof lights, and alterations to single storey rear extension roof and fenestration (previously approved).
Sunnyside Rhossili Swansea SA3 1PL
Re-roofing of the main house including the addition of a flue, re-rendering to external walls, and replacement detached garden store building with ext...
6A Heol Ysgyfarnog Birchgrove Swansea SA7 9NH
Single storey rear extension
152 Pennard Drive Southgate Swansea SA3 2DR
Single storey rear extension & ground floor side window (Application for a certificate of Proposed Lawful Development)
20 Borough Road Loughor Swansea SA4 6RP
Vehicle crossing at front of property
Brynfield Court Langland Swansea SA3 4TF
Pre-application enquiry - The structural repair of the external walls and balconies, including the balcony balustrade and panel replacement
St Madoc Llanmadoc Swansea SA3 1DE
Detached garage with first floor storage and associated access
Townhill Community Primary School Townhill Road Townhill Swansea SA1 6PT
Demolition of the existing kitchen/dining hall block and construction of a new detached dining hall block with associated kitchen and storage/welfare ...
69 Tyn Y Bonau Road Pontarddulais Swansea SA4 8RY
Pre-application enquiry - Construction of rear first floor extension
18 Moorside Road West Cross Swansea SA3 5EY
Enlargement of existing front dormer and rear roof extension
34 Long Shepherds Drive Caswell Swansea SA3 4RP
Alterations to means of enclosure
9 William Dennis Avenue Loughor Swansea SA4 6PD
First floor extension over existing garage and ground floor utility room extension to rear
4 Station Terrace Penclawdd Swansea SA4 3XX
(Pre-application) Chimney re-crown and repointing, lead flashing and soakers. Roof replacement of main building and single story extension using new f...
30 Station Road Grovesend Swansea SA4 4GY
Single storey rear extension (appliction for a Certificate of Proposed Lawful Development)
27 Gabalfa Road Sketty Swansea SA2 8NE
PRE APP - Extension and conversion of existing garage to annex for carer of occupant
Brynfield Manor 42 Brynfield Road Langland Swansea SA3 4SX
Retention and completion of rear two-storey extension
79 Frederick Place Llansamlet Swansea SA7 9SX
Formation of a permeable driveway to the front of the property and extension to the existing outbuilding/workshop to form a garage for storage.
15 The Paddock West Cross Swansea SA3 5AH
Two storey extension to the rear of the existing house - Non Material Amendment to planning permission 2025/0991/FUL granted 3rd October 2025 to allow...
67 Hendrefoilan Road Sketty Swansea SA2 9LU
Replacement dwelling
Singleton Abbey Singleton Park Swansea SA2 8PW
Removal of modern internal partitions to provide an open-plan office space. In addition, restore a historic window opening to the internal corridor to...
Orchard House 15 Melcorn Drive Newton Swansea SA3 4UN
Proposed detached garage with office/storage at first floor level, garage to ajoin existing detached store/plant room
107 Frampton Road Gorseinon Swansea SA4 4YE
Ground floor rear extension
113 Goetre Fawr Road Killay Swansea SA2 7QT
Two storey side, single storey rear and detached garage.
331 Clasemont Road Morriston Swansea SA6 6BU
Rear dormer, front rooflights and internal alterations (application for a Certificate of Proposed Lawful Development)
15,17,19, 21 And 23 Heol Myddfai Felindre Swansea SA5 7ND
Extension to roof gables, replacement roof coverings, roof mounted solar panels, external wall insulation, replacement doors and windows, detached pla...
21 Bryn Road Loughor Swansea SA4 6PG
Retention of detached single-storey outbuilding to the rear garden, for use as a store and workshop incidental to the dwellinghouse approved under 201...
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