Updated 29 October 2026 · 61 new leads in the last 30 days
Construction Leads in Swansea
Find construction leads in Swansea from new planning applications across the city centre, waterfront and the wider council area.
- New planning applications added frequently from Swansea Council
- Connect with homeowners at the early planning stage
- No shared enquiries or competitive bidding
Data sourced from Swansea Council planning records and refreshed regularly.
61
New Leads (30 Days)
£182,415
Average Project Value
24
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Trends in Swansea
Swansea's Civic Centre waterfront site is set for up to 140 new apartments alongside commercial units and a 20,000 square foot aquarium, backed by 20 million pounds of UK Government funding, part of the council's long-term City on the Beach partnership with Urban Splash. Nearby, the St Thomas riverside site on the River Tawe is progressing through its stage-one proposal for more than 150 homes, around half of them affordable. The wider Copr Bay regeneration sits within the 1.3 billion pound Swansea Bay City Deal, while Beacon Cymru is delivering social housing schemes including Ty Menyn on Kingsway and a converted Castle Cinema. Away from these sites, established residential areas keep a steady flow of extensions and loft conversions.
Project Type Breakdown
Here's a breakdown of the most common types of construction projects in Swansea over the past 30 days.
In Swansea, Extensions are the most common project type, appearing in 27 of the 61 leads tracked in the last 30 days, with Heritages also showing consistent demand alongside Garden Rooms. Projects can fall into more than one category, so these figures don't need to add up to the total.
Most Active Architects and Planning Consultants in Swansea
The architects and planning consultants submitting the most construction-related applications in Swansea, based on recent planning records.
- 1Asbri Planning Ltd.
- 2Lloyd Britton Architect Limited
- 3Geraint John Planning Ltd
- 4Richard Pedlar Architects
- 5Evans Banks Planning Limited
- 6Roderick James Architects LLP
- 7Alpha Design & Planning
- 8Avalon Architecture
- 9EBM
- 10Montagu Evans LLP
Project Value Insights
Understanding typical project values in Swansea helps you prioritise the most profitable leads and manage your workload effectively. These ranges are a general guide to the scale of work involved. Individual project costs vary by design, specification, and site conditions.
- £25k-£50kSmall extensions, porches, and internal alterations
- £50k-£100kRear extensions and loft conversions
- £100k-£250kLarge extensions and full property refurbishments
- £250k+New builds and high-end residential projects
Higher-value projects are often found around the newer waterfront sites, where new-build plots are more common.
Recent Planning Applications in Swansea
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Single Storey Rear Extension | Swansea | £100k–£250k | Single storey rear extension with bay windows, rooflights, and new hardstanding for parking. | Approved |
| Double Storey Extension | Clydach | £50k–£100k | Two-storey rear extension to dwelling. | Approved |
| Rear Extension | Gorseinon | £50k–£100k | Ground-floor rear extension. | Approved |
| Single Storey Rear Extension | Killay | £50k–£100k | Single-storey rear extension and extension/enlargement of the rear dormer. | Approved |
| Double Storey Extension | The Cottage 266A Derwen Fawr Road Sketty Swansea SA2 8EJ | £50k–£100k | Two-storey extensions to the western and southern elevations replacing existing single-storey side and front extensions. | Approved |
Single Storey Rear Extension
Swansea
Single storey rear extension with bay windows, rooflights, and new hardstanding for parking.
Double Storey Extension
Clydach
Two-storey rear extension to dwelling.
Rear Extension
Gorseinon
Ground-floor rear extension.
Single Storey Rear Extension
Killay
Single-storey rear extension and extension/enlargement of the rear dormer.
Double Storey Extension
The Cottage 266A Derwen Fawr Road Sketty Swansea SA2 8EJ
Two-storey extensions to the western and southern elevations replacing existing single-storey side and front extensions.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | Swansea | £50k–£100k | Installation of a front dormer roof extension. | Refused |
| Loft Conversion | Swansea | £100k–£250k | Change of use from offices to a 10-person HMO with a first-floor front window alteration and rear dormer. | Pending |
| Loft Conversion | 13 Stanley Street Mumbles Swansea SA3 4NE | £100k–£250k | Remove existing rear additions and construct part two-storey/part single-storey rear extensions, add flat-roof dormer, replace roof coverings with rooflights, erect garden outbuilding and lean-to carport and replace two-storey bay window. | Pending |
| Loft Conversion | 26 Clordir Road Pontlliw Swansea SA4 9EY | £50k–£100k | Certificate of proposed lawful development for a rear dormer roof extension. | Pending |
Loft Conversion
Swansea
Installation of a front dormer roof extension.
Loft Conversion
Swansea
Change of use from offices to a 10-person HMO with a first-floor front window alteration and rear dormer.
Loft Conversion
13 Stanley Street Mumbles Swansea SA3 4NE
Remove existing rear additions and construct part two-storey/part single-storey rear extensions, add flat-roof dormer, replace roof coverings with rooflights, erect garden outbuilding and lean-to carport and replace two-storey bay window.
Loft Conversion
26 Clordir Road Pontlliw Swansea SA4 9EY
Certificate of proposed lawful development for a rear dormer roof extension.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| New Build | Summercliffe Cottage Caswell Swansea SA3 3BN | Variation of condition for replacement detached dwelling with amended plans. | Approved | |
| Heritage | Llys Glas Alexandra Road Swansea SA1 5AJ | £250k–£1m | Conversion of student accommodation into temporary supported accommodation with office space. | Approved |
| Heritage | Suite 3 Ground Floor Exchange Building Adelaide Street Maritime Quarter Swansea SA1 1SH | Under £25k | Installation of various illuminated signs and spotlights. | Approved |
| Heritage | Former Technical College Mount Pleasant Swansea SA1 6ED | Under £25k | Discharge of multiple conditions (3–13) attached to Listed Building planning permission 2026/0147/LBC. | Approved |
| Heritage | 17 St James Gardens Uplands Swansea SA1 6DY | Under £25k | Discharge of conditions 3, 4 and 5 associated with Listed Building Consent 2026/0084/LBC. | Approved |
New Build
Summercliffe Cottage Caswell Swansea SA3 3BN
Variation of condition for replacement detached dwelling with amended plans.
Heritage
Llys Glas Alexandra Road Swansea SA1 5AJ
Conversion of student accommodation into temporary supported accommodation with office space.
Heritage
Suite 3 Ground Floor Exchange Building Adelaide Street Maritime Quarter Swansea SA1 1SH
Installation of various illuminated signs and spotlights.
Heritage
Former Technical College Mount Pleasant Swansea SA1 6ED
Discharge of multiple conditions (3–13) attached to Listed Building planning permission 2026/0147/LBC.
Heritage
17 St James Gardens Uplands Swansea SA1 6DY
Discharge of conditions 3, 4 and 5 associated with Listed Building Consent 2026/0084/LBC.
Data sourced from Swansea Council planning records and refreshed regularly.
Featured Projects
A snapshot of recent construction opportunities across Swansea.
Conversion of Llys Glas Student Accommodation into Temporary Supported Accommodation (Class 2A) with associated services and office space to the ground floor. To include new sprinkler, CCTV and fire alarm systems, new access control and door fob systems, sensor lighting to communal areas, mechanical and electrical refurbishment. New doorway on ground floor allowing access from corridor to office, and new secure door to reception office. Upgrade of 5 existing kitchens, and installation of 3 new kitchens in existing bedroom spaces. Washing facilities installed in all existing kitchens - Variation of Condition 2 of Listed Building application 2024/2245/LBC granted 25/01/2026 to replace an existing casement on the first floor to the courtyard to a 30 minute fire rated one.
£250k–£1mLlys Glas Alexandra Road Swansea SA1 5AJ
Conversion of student accommodation into temporary supported accommodation with office space.
Two externally illuminated projecting signs, two internally illuminated window signs, two internally illuminated individual letter signs, two internally illuminated hanging signs, two externally illuminated menu signs, installation of spotlights and lantern (application for Listed Building Consent)
Under £25kSuite 3 Ground Floor Exchange Building Adelaide Street Maritime Quarter Swansea SA1 1SH
Installation of various illuminated signs and spotlights.
Single storey rear extension, two front bay windows, alterations to fenestration and addition of side rooflights. New front hardstanding to provide off road parking spaces. Amalgamation of detached garage and office to create one detached outbuilding with flat roof with associated external alterations.
£100k–£250kSwansea
Single storey rear extension with bay windows, rooflights, and new hardstanding for parking.
Discharge of conditions 3,4,5,6,7,8,9,10,11, 12 and 13 of Planning Permission 2026/0147/LBC granted 29th May 2026
Under £25kFormer Technical College Mount Pleasant Swansea SA1 6ED
Discharge of multiple conditions (3–13) attached to Listed Building planning permission 2026/0147/LBC.
Examples of projects at an early stage before wider competition builds.
See All 61 Construction Leads in Swansea
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Get Access NowPlanning Application Status in Swansea
38%
Approved
61%
Pending
1%
Refused
In Swansea, 38% of planning applications are approved, 61% are still pending, and 1% are refused. Pending applications can give builders an opportunity to make contact while projects are still at an early stage.
Getting in touch earlier puts you in a stronger position before others step in.
Based on planning applications submitted over the last 30 days.
Planning Approval Times in Swansea
Among applications tracked by BuildAlert in Swansea, the median time from submission to decision is 8 weeks. Smaller projects like extensions tend to be approved more quickly, while larger developments can take longer.
Based on approved applications with recorded decision dates over the last 3 months.
Domestic vs Commercial Projects in Swansea
In Swansea, 66% of planning applications are domestic and 34% are commercial. Both segments offer opportunities depending on the scale of work you take on.
Demand for Building Work in Swansea
The Civic Centre waterfront and St Thomas riverside sites are set to bring sustained new-build activity to Swansea over the coming years, as the council's City on the Beach vision continues to bring forward its seven key regeneration sites. Away from these schemes, established residential areas across Swansea support a steady, more standard flow of extension and loft conversion work.
How to Win Jobs in Swansea
Contact Homeowners Early
Planning applications highlight upcoming work, giving you a chance to get in touch before builders are shortlisted.
Focus on Approved Applications
Approved applications can be particularly valuable because the project has cleared a major planning hurdle and may be moving closer to construction.
Target Higher-Value Projects
Filter by estimated project value to focus your outreach on jobs that match the size and type of work your business takes on.
How BuildAlert Works
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Nearby Areas
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Frequently Asked Questions
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