Updated 29 October 2026 · 556 new leads in the last 30 days
Construction Leads in Wales
BuildAlert helps builders find construction leads in Wales from newly submitted planning applications, including extensions, loft conversions, new builds, and refurbishment projects, across 21 of 22 Welsh council areas from Cardiff and Swansea to Newport and Wrexham.
- New planning applications added frequently from 21 of 22 Welsh council areas
- Compare construction activity between council areas and drill into any local authority
- No shared enquiries or competitive bidding
Data aggregated from planning records across 21 of 22 Welsh council areas and refreshed regularly.
556
New Leads (30 Days)
£142,317
Average Project Value
158
High Value Projects
Over £100k
Extensions
Most Common Project
Construction Activity Across Wales
An area-by-area comparison of construction leads over the last 30 days, built from the same live planning data as each area's own page.
Most Active Areas for Construction
Areas ranked by construction leads in the last 30 days.
- 1Cardiff71 leads
- 2Carmarthenshire62 leads
- 3Swansea61 leads
- 4Powys53 leads
- 5Bridgend34 leads
- 6Monmouthshire31 leads
- 7Newport30 leads
- 8Rhondda Cynon Taf30 leads
- 9Conwy27 leads
- 10Vale of Glamorgan25 leads
- 11Wrexham25 leads
- 12Pembrokeshire22 leads
- 13Flintshire19 leads
- 14Merthyr Tydfil14 leads
- 15Torfaen14 leads
- 16Neath Port Talbot12 leads
- 17Blaenau Gwent11 leads
- 18Ceredigion8 leads
- 19Gwynedd6 leads
- 20Denbighshire1 leads
Highest Value Construction Areas
Areas ranked by average project value over the last 30 days.
- 1Vale of Glamorgan£353,000
- 2Pembrokeshire£244,643
- 3Rhondda Cynon Taf£192,083
- 4Swansea£182,415
- 5Torfaen£164,286
- 6Ceredigion£164,063
- 7Newport£162,500
- 8Neath Port Talbot£160,417
- 9Wrexham£152,083
- 10Powys£130,288
- 11Merthyr Tydfil£125,893
- 12Flintshire£123,684
- 13Carmarthenshire£106,798
- 14Cardiff£98,944
- 15Monmouthshire£88,710
- 16Conwy£85,648
- 17Bridgend£79,545
- 18Blaenau Gwent£76,136
- 19Denbighshire£75,000
- 20Gwynedd£68,750
Construction Trends in Wales
Cardiff generated 71 construction leads in the last 30 days, the most of the 21 of 22 Welsh council areas BuildAlert tracks, followed by Carmarthenshire with 62 and Swansea with 61. Extensions dominate the national pipeline, while heritage-related work is particularly prominent in Merthyr Tydfil. Higher average project values are currently appearing in areas including Vale of Glamorgan, Pembrokeshire, Rhondda Cynon Taf.
Project Type Breakdown
Here's a breakdown of the most common types of construction projects across Wales over the past 30 days.
In Wales, Extensions are the most common project type, appearing in 308 of the 556 leads tracked in the last 30 days, with Garden Rooms also showing consistent demand alongside Heritages. 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 Wales
The architects and planning consultants submitting the most construction-related applications in Wales, based on recent planning records.
- 1Asbri Planning Ltd.
- 2Roger Parry & Partners LLP
- 3Amity Planning
- 4Alwyn Jones Architects
- 5Blueprint
- 6LRM Planning Ltd.
- 7Hayston Developments & Planning Ltd
- 8Hughes Architects
- 9Evans Banks Planning Limited
- 10Atrium Architecture Ltd
Project Value Insights
Understanding typical project values across Wales 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
Over the last 30 days, Vale of Glamorgan and Pembrokeshire recorded the highest average project values across the 21 of 22 Welsh council areas BuildAlert tracks, based on live BuildAlert data.
Recent Planning Applications in Wales
Extensions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Double Storey Extension | Tredegar | £100k–£250k | Two storey replacement side extension. | Pending |
| Single Storey Side Extension | Pencoed | £50k–£100k | Single storey side extension over driveway. | Approved |
| Double Storey Extension | Cardiff | £100k–£250k | Demolition of existing conservatory and construction of part two-storey/part single storey rear extension. | Approved |
| Extension | 66 Teglan Park, Ammanford, SA18 3RA | £50k–£100k | New extension to fulfil the needs of a Disabled Facilities Grant. | Refused |
| Single Storey Side Extension | Aberystwyth | £50k–£100k | Single-storey side extension and first-floor extension above the existing kitchen. | Pending |
Double Storey Extension
Tredegar
Two storey replacement side extension.
Single Storey Side Extension
Pencoed
Single storey side extension over driveway.
Double Storey Extension
Cardiff
Demolition of existing conservatory and construction of part two-storey/part single storey rear extension.
Extension
66 Teglan Park, Ammanford, SA18 3RA
New extension to fulfil the needs of a Disabled Facilities Grant.
Single Storey Side Extension
Aberystwyth
Single-storey side extension and first-floor extension above the existing kitchen.
Loft Conversions
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Loft Conversion | Bridgend | £50k–£100k | Certificate for proposed attic conversion with rear dormer. | Withdrawn |
| Loft Conversion | Cardiff | £100k–£250k | Ground-floor rear extension and rear dormer loft conversion with change of use from Class C4 HMO to large Sui Generis HMO. | Approved |
| Loft Conversion | 78 Pentre Nicklaus Village, Llanelli, SA15 2DE | £50k–£100k | Conversion of garage to studio space and attic conversion into the main pitched roof with associated works. | Pending |
| Loft Conversion | Cardigan | £100k–£250k | Single-storey flat-roof rear extension and loft conversion including rear dormer. | Pending |
| Loft Conversion | Conwy | £100k–£250k | Extensions and alterations to dwelling including rear extension, roof alterations and dormers, balcony, replacement windows/doors, rooflights, access changes and landscaping/biodiversity enhancements. | Approved |
Loft Conversion
Bridgend
Certificate for proposed attic conversion with rear dormer.
Loft Conversion
Cardiff
Ground-floor rear extension and rear dormer loft conversion with change of use from Class C4 HMO to large Sui Generis HMO.
Loft Conversion
78 Pentre Nicklaus Village, Llanelli, SA15 2DE
Conversion of garage to studio space and attic conversion into the main pitched roof with associated works.
Loft Conversion
Cardigan
Single-storey flat-roof rear extension and loft conversion including rear dormer.
Loft Conversion
Conwy
Extensions and alterations to dwelling including rear extension, roof alterations and dormers, balcony, replacement windows/doors, rooflights, access changes and landscaping/biodiversity enhancements.
Other Projects
| Project Type | Area | Est. Value | Description | Status |
|---|---|---|---|---|
| Garden Room | BRYNBACH PRIMARY SCHOOL Merthyr Road, Tafarnaubach, Tredegar, Blaenau Gwent, NP22 3RX | Under £25k | Demolition of existing storage shed and placement of 4 shipping containers. | Pending |
| New Build | Land to rear of 30-32 High Street, Ogmore Vale, CF32 7AD | £100k–£250k | Outline application for erection of a detached two-bedroom dwelling. | Approved |
| Heritage | Cardiff University Park Place Cathays Cardiff | Under £25k | Replacement of existing Audio Visual Equipment. | Approved |
| New Build | Land North of Park Villa, St Clears, Carmarthen | £250k–£1m | Erection of a detached dwelling house with garage, vehicular access and associated works. | Refused |
| Heritage | Aberystwyth | £25k–£50k | Redecoration of listed building and reinstatement of historic sign panel. | Pending |
Garden Room
BRYNBACH PRIMARY SCHOOL Merthyr Road, Tafarnaubach, Tredegar, Blaenau Gwent, NP22 3RX
Demolition of existing storage shed and placement of 4 shipping containers.
New Build
Land to rear of 30-32 High Street, Ogmore Vale, CF32 7AD
Outline application for erection of a detached two-bedroom dwelling.
Heritage
Cardiff University Park Place Cathays Cardiff
Replacement of existing Audio Visual Equipment.
New Build
Land North of Park Villa, St Clears, Carmarthen
Erection of a detached dwelling house with garage, vehicular access and associated works.
Heritage
Aberystwyth
Redecoration of listed building and reinstatement of historic sign panel.
Data aggregated from planning records across 21 of 22 Welsh council areas and refreshed regularly.
Featured Projects
A snapshot of recent construction opportunities from across Wales.
Demolition of existing storage shed, relocation of existing container and placement of 4 shipping containers. They will consist of: 1 Storage, 1 Big Bocs Bwyd and 2 used for the school and "school community" use.
Under £25kBRYNBACH PRIMARY SCHOOL Merthyr Road, Tafarnaubach, Tredegar, Blaenau Gwent, NP22 3RX
Demolition of existing storage shed and placement of 4 shipping containers.
Erection of a detached 2-bedroom dwelling
£100k–£250kLand to rear of 30-32 High Street, Ogmore Vale, CF32 7AD
Outline application for erection of a detached two-bedroom dwelling.
Removal of existing Audio Visual Equipment and Replacement with new Audio Visual Equipment
Under £25kCardiff University Park Place Cathays Cardiff
Replacement of existing Audio Visual Equipment.
New extension to fulfil the needs of a Disabled Facilitates Grant
£50k–£100k66 Teglan Park, Ammanford, SA18 3RA
New extension to fulfil the needs of a Disabled Facilities Grant.
Examples of projects at an early stage before wider competition builds, drawn from across the country.
See All 556 Construction Leads in Wales
Unlock full details and connect with homeowners across Wales while projects are still taking shape.
Get Access NowPlanning Application Status in Wales
35%
Approved
61%
Pending
4%
Refused
In Wales, 35% of planning applications are approved, 61% are still pending, and 4% 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 Wales
Among applications tracked by BuildAlert in Wales, 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 Wales
In Wales, 72% of planning applications are domestic and 28% are commercial. Both segments offer opportunities depending on the scale of work you take on.
Demand for Building Work in Wales
Demand for construction work across Wales reflects both its three largest cities' regeneration programmes and the steadier, more localised housing need in its valleys and rural counties. Cardiff, Swansea, and Newport continue to draw sustained new-build investment through their waterfront and city centre masterplans, supporting a long pipeline of groundworks, steelwork, and finishing trades. Away from the three cities, valleys authorities support high volumes of affordable new-build activity, while rural and coastal counties generate a steadier, more standard flow of extension and refurbishment work on established housing.
How Builders Find Construction Leads in Wales
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
Three simple steps to start winning more construction work across Wales.
Track Planning Applications
We monitor planning applications across Wales's local authorities for new residential and construction opportunities.
Filter by Location & Type
Set your preferred areas, project types, and value range. See only relevant leads.
Contact Homeowners
Get contact details and send letters or emails directly to homeowners before your competitors.
Explore Construction Leads Across Wales
Every council area page below is built from the same live planning data as this nationwide view, filtered to that local authority.
71 leads in the last 30 days
62 leads in the last 30 days
61 leads in the last 30 days
53 leads in the last 30 days
34 leads in the last 30 days
31 leads in the last 30 days
30 leads in the last 30 days
30 leads in the last 30 days
27 leads in the last 30 days
25 leads in the last 30 days
25 leads in the last 30 days
22 leads in the last 30 days
19 leads in the last 30 days
14 leads in the last 30 days
14 leads in the last 30 days
12 leads in the last 30 days
11 leads in the last 30 days
8 leads in the last 30 days
6 leads in the last 30 days
1 leads in the last 30 days
Frequently Asked Questions
Start Getting Construction Leads in Wales Today
Get direct access to planning-based leads across Wales without relying on shared lead platforms.