Top 30 Construction Projects in Wales 2026

Last updated: October 2026 | Source: Barbour ABI

The Top Construction Projects Wales League Table shows you exactly where the biggest money is moving across the industry right now in an easy-to-use interactive table. All projects are sourced directly from our leading Construction Project Leads Platform.

Discover the biggest construction projects shaking up the UK industry and view them directly in our platform. Not a client? Request 10 free leads below and we’ll show you key decision makers behind the projects, project activity, and how to use this information to win more projects.

Point of Ayr Terminal CO2 Compression Station is Top Construction Project in Wales

According to Barbour ABI’s extensive planning data, the top construction project in Wales is the Point of Ayr Terminal CO2 Compression Station project with a value of £440m.

  • 2nd place – £121m Llantrisant Health Park Phase 1
  • 3rd place – £119m Cardiff & Vale College – Barry Waterfront Campus

View other top construction project rankings by region and city

Top Construction Projects Wales 2026 League Table

Position Project Main Sector Start Date Project Value Project ID View Project
1 Point of Ayr Terminal CO2 Compression Station Project Power & Utility Aug-26 £ 440,000,000 12937777 View project
2 Llantrisant Health Park Phase 1 Medical & Healthcare Apr-26 £ 121,000,000 12864335 View project
3 Cardiff & Vale College - Barry Waterfront Campus Education Feb-26 £ 119,000,000 12723905 View project
4 Erebus - 100MW Offshore Floating Wind Farm Power & Utility Jan-26 £ 100,000,000 12533135 View project
5 Carno 3 Wind Farm - 41.6MW Wind Farm Power & Utility Feb-26 £ 100,000,000 11854098 View project
6 Oaklands 50MW Solar Farm & 50MW Battery Storage Utilities Oct-25 £ 88,000,000 12627389 View project
7 St Richard Gwyn Catholic High School Education Nov-25 £ 64,000,000 12709152 View project
8 St Fagans Road, Phase 1 - 307 Houses Residential Apr-26 £ 62,760,000 12839772 View project
9 Llantrisant Road - Phase 1 & Parcel 2C - 184 Houses Residential May-26 £ 55,000,000 12851711 View project
10 Puma Energy Site - 20MW Hydrogen Generation Facility Utilities Jul-26 £ 50,000,000 12730485 View project
11 Former Michaelston College - Wellbeing Village Mixed Development Residential Jun-26 £ 49,142,500 12796417 View project
12 Ewenny Road - 201 Houses Residential Oct-26 £ 41,800,000 12761247 View project
13 Former County Hall, Croesyceiliog - 107 Houses/36 Apartments Residential Sep-26 £ 35,600,000 12404135 View project
14 Llanilltern Village Phase 4&5 - Mixed Development Residential Oct-26 £ 35,250,000 12692508 View project
15 22 Newport Road, Adamsdown - Student Flats & Commercial Space Residential Dec-25 £ 35,000,000 12288192 View project
16 East Aberthaw - 35 MW Solar Farm Utilities Jan-26 £ 35,000,000 12623875 View project
17 Parkview Health and Wellbeing Hub Medical & Healthcare Sep-26 £ 34,300,000 12670732 View project
18 Pembroke Power Station, Pwllcrochan - Hydrogen Production Facility Utilities Jan-26 £ 33,000,000 12801587 View project
19 Royal Alexandra Hospital - North Denbighshire Community Hub Medical & Healthcare Jul-26 £ 33,000,000 12521408 View project
20 Royal Alexandra Hospital - Same Day Emergency Care Facility Medical & Healthcare Jul-26 £ 33,000,000 12878736 View project
21 Coed Ely - Plot C4 Industrial Unit Industrial Jul-26 £ 30,937,000 12755737 View project
22 Usk Way - 122 Flats & Retail Units Residential Oct-26 £ 30,448,448 12595589 View project
23 Longcross Court - 706 Bedroom Student Accommodation And Commercial Unit Residential Nov-25 £ 30,000,000 12793057 View project
24 Brynhir, New Hedges - 125 Dwellings Residential Jan-26 £ 30,000,000 12448066 View project
25 Indurent Park, Llanwern - Industrial Warehouses & Offices (Phase 6) Industrial Jan-26 £ 30,000,000 12826066 View project
26 Morlais Tidal Energy Project (240MW) - Anglesey Utilities Jan-26 £ 30,000,000 12352426 View project
27 Gladstone Way, Hawarden - 300 Houses Residential Mar-26 £ 30,000,000 12775913 View project
28 Parc Solar Caenewydd - 44MW Solar Farm Utilities May-26 £ 30,000,000 12636664 View project
29 Plot B, The Airfields -Storage, General industrial & Ancillary offices Industrial Jun-26 £ 30,000,000 12662470 View project
30 Ysgol Gyfun Cymunedol Llangatwg Community Comprehensive - Expansion Education Jun-26 £ 30,000,000 12795368 View project
Position Project Main Sector Start Date Project Value Project ID View Project
1 Point of Ayr Terminal CO2 Compression Station Project Power & Utility Aug-26 £ 440,000,000 12937777 View project
2 Llantrisant Health Park Phase 1 Medical & Healthcare Apr-26 £ 121,000,000 12864335 View project
3 Cardiff & Vale College - Barry Waterfront Campus Education Feb-26 £ 119,000,000 12723905 View project
4 Erebus - 100MW Offshore Floating Wind Farm Power & Utility Jan-26 £ 100,000,000 12533135 View project
5 Carno 3 Wind Farm - 41.6MW Wind Farm Power & Utility Feb-26 £ 100,000,000 11854098 View project
6 Oaklands 50MW Solar Farm & 50MW Battery Storage Utilities Oct-25 £ 88,000,000 12627389 View project
7 St Richard Gwyn Catholic High School Education Nov-25 £ 64,000,000 12709152 View project
8 St Fagans Road, Phase 1 - 307 Houses Residential Apr-26 £ 62,760,000 12839772 View project
9 Llantrisant Road - Phase 1 & Parcel 2C - 184 Houses Residential May-26 £ 55,000,000 12851711 View project
10 Puma Energy Site - 20MW Hydrogen Generation Facility Utilities Jul-26 £ 50,000,000 12730485 View project
11 Former Michaelston College - Wellbeing Village Mixed Development Residential Jun-26 £ 49,142,500 12796417 View project
12 Ewenny Road - 201 Houses Residential Oct-26 £ 41,800,000 12761247 View project
13 Former County Hall, Croesyceiliog - 107 Houses/36 Apartments Residential Sep-26 £ 35,600,000 12404135 View project
14 Llanilltern Village Phase 4&5 - Mixed Development Residential Oct-26 £ 35,250,000 12692508 View project
15 22 Newport Road, Adamsdown - Student Flats & Commercial Space Residential Dec-25 £ 35,000,000 12288192 View project
16 East Aberthaw - 35 MW Solar Farm Utilities Jan-26 £ 35,000,000 12623875 View project
17 Parkview Health and Wellbeing Hub Medical & Healthcare Sep-26 £ 34,300,000 12670732 View project
18 Pembroke Power Station, Pwllcrochan - Hydrogen Production Facility Utilities Jan-26 £ 33,000,000 12801587 View project
19 Royal Alexandra Hospital - North Denbighshire Community Hub Medical & Healthcare Jul-26 £ 33,000,000 12521408 View project
20 Royal Alexandra Hospital - Same Day Emergency Care Facility Medical & Healthcare Jul-26 £ 33,000,000 12878736 View project
21 Coed Ely - Plot C4 Industrial Unit Industrial Jul-26 £ 30,937,000 12755737 View project
22 Usk Way - 122 Flats & Retail Units Residential Oct-26 £ 30,448,448 12595589 View project
23 Longcross Court - 706 Bedroom Student Accommodation And Commercial Unit Residential Nov-25 £ 30,000,000 12793057 View project
24 Brynhir, New Hedges - 125 Dwellings Residential Jan-26 £ 30,000,000 12448066 View project
25 Indurent Park, Llanwern - Industrial Warehouses & Offices (Phase 6) Industrial Jan-26 £ 30,000,000 12826066 View project
26 Morlais Tidal Energy Project (240MW) - Anglesey Utilities Jan-26 £ 30,000,000 12352426 View project
27 Gladstone Way, Hawarden - 300 Houses Residential Mar-26 £ 30,000,000 12775913 View project
28 Parc Solar Caenewydd - 44MW Solar Farm Utilities May-26 £ 30,000,000 12636664 View project
29 Plot B, The Airfields -Storage, General industrial & Ancillary offices Industrial Jun-26 £ 30,000,000 12662470 View project
30 Ysgol Gyfun Cymunedol Llangatwg Community Comprehensive - Expansion Education Jun-26 £ 30,000,000 12795368 View project

How to use this league table

Projects are ranked by value by default, but you have several ways to customise your view:

  • Number of results: Use the display toggle to show between 10 and all 100 projects at once.
  • Project value: Click the value column to switch between highest and lowest.
  • Start date: Click the start date column to switch between newest and oldest.
  • Alphabetical sorting: Click the project name, sector, or location columns to sort A–Z or Z–A.

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Top Construction Projects across the UK

Barbour ABI tracks and reports on projects happening across the UK from pre-planning stages right through to completion. Our 3,000 happy clients use this data to supply their products and services on projects that are right for them, with the most up-to-date contact information available on the market.

View the Top Construction Companies League Tables​

Access the top 100 construction companies in the UK. The companies include top contractors, architects and clients and are ranked by total value of projects across a 12-month period and can be filtered by role, number of projects, value, and links straight to the Barbour ABI project leads platform. View the top construction companies overall in the UK as well as major regions and cities.

View the Top Construction Tenders League Tables

View the latest and hottest projects out to tender in the UK. Filter by value, location, number of bidders, start dates, and link straight to the Barbour ABI project leads platform to see the project in full detail. The Tender League Tables are separated by sector to give you the most insights on construction activity in your field.

FAQs

The Barbour ABI league tables rank the best performing construction projects, companies, and tenders. We track mega projects, tier 1 and tier 2 contractors, and live tenders with confirmed bidder counts. The purpose of the tables are to highlight the biggest and best construction activity in the UK. 

Our league tables include the top construction projects by total value across all sectors with a start date from six months back to six months forward. Please note that we’ve excluded all masterplans from our league tables and instead focus on individual projects.

All construction project data is sourced directly from our Construction Project Leads Platform. 

Subscribers of the platform can access the top construction projects featured in the league table by copying and pasting the Project ID into the platform’s search bar. 

Learn more about using our search options on our platform here. 

Yes, you can request 10 free leads directly from our Construction project leads Platform. 

When one of our friendly experts gets in touch, tell them which projects you want visibility of and they’ll be more than happy to help. 

The tables cover all sectors across the UK, but are as assigned under our system as followed: 

  • Industrial 
  • Civic and Public
  • Civil Engineering 
  • Utilities 
  • Commercial & Retail 
  • Medical & Healthcare 
  • Leisure 
  • Residential 
  • Education

Important note: we track all major infrastructure projects within the table but class them under utilities, civic and public, and civil engineering.

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