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Top 30 Construction Projects in Cardiff 2027

Last updated: November 2026 | Source: Barbour ABI

The Top Construction Projects Cardiff 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.

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Rover Way, Splott – Energy Park & 90MW Data Centre is the Top Construction Project in Cardiff

According to Barbour ABI’s extensive planning data, the top construction project in Cardiff is Rover Way, Splott – Energy Park & 90MW Data Centre project with a value of £1.9bn.

  • 2nd place – £100m Harlech Court – 340 Flats, Retail Unit and Restaurant
  • 3rd place – £62.8m St Fagans Road, Phase 1 – 307 Houses
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Key findings: top construction projects in Cardiff

  • Top 30 construction projects in Cardiff total £2.48bn.
  • Utilities leads by value. Three projects total £1.94bn, or 78% of the combined value. The £1.94bn Rover Way, Splott Energy Park & 90MW Data Centre accounts for almost all of it and is the biggest project in the table.
  • Residential has the most projects. It has 15 of the 30 projects, worth £428.5m, or 17% of the total. Large housing and apartment schemes lead the sector, including Harlech Court (£100m) and St Fagans Road Phase 1 (£62.8m).
  • Medical and healthcare is the third-largest sector. Two projects total £37.3m, 2% of the combined value. The £34.3m Parkview Health and Wellbeing Hub accounts for most of it.
  • Mixed-use apartment schemes are a strong project type. Six residential projects combine flats with retail, restaurant or commercial units, totalling £169m, 39% of residential value. Harlech Court, Asset House and The Gaiety, Roath are the largest.

View other top construction project rankings by region and city

Regional Tables: UK | London | South East | South West | East of England | East Midlands | West Midlands | Northern Ireland | North West | Wales | Yorkshire & the Humber | North East | Scotland

City Tables: Birmingham | Liverpool | Manchester | Aberdeen | Cardiff | Nottingham | Glasgow |

Top Construction Projects Cardiff 2027 League Table

Position Project Main Sector City Start Date Project Value Project ID View Project
1 Rover Way, Splott - Energy Park & 90MW Data Centre Utilities Cardiff Apr-27 £ 1,935,000,000 12778496 View project
2 Harlech Court - 340 Flats, Retail Unit and Restaurant Residential Cardiff Dec-26 £ 100,000,000 12555015 View project
3 St Fagans Road, Phase 1 - 307 Houses Residential Cardiff Apr-26 £ 62,760,000 12839772 View project
4 Atlantic Wharf, 1 East Bay Close- 353 Apartments Residential Cardiff Apr-27 £ 60,000,000 12653793 View project
5 Llantrisant Road - Phase 1 & Parcel 2C - 184 Houses Residential Cardiff May-26 £ 55,000,000 12851711 View project
6 Llanilltern Village Phase 4&5 - Mixed Development Residential Cardiff Dec-26 £ 35,250,000 12692508 View project
7 Parkview Health and Wellbeing Hub Medical & Healthcare Cardiff Sep-26 £ 34,300,000 12670732 View project
8 Asset House, Penarth Road - 182 Flats And Retail Residential Cardiff May-26 £ 28,000,000 12825448 View project
9 Channel View, Phase 2-6 & Marl Works - 67 Houses & 161 Flats Residential Cardiff Dec-26 £ 22,800,000 12892814 View project
10 Queen Street, Cathays - ExtensionQueen Street, Cathays - Extension Hotel & Catering Cardiff Dec-26 £ 20,000,000 12846303 View project
11 The Gaiety, Roath - 70 Apartments & Commercial Units Residential Cardiff Jun-26 £ 20,000,000 12783091 View project
12 Asset House, Phase 2 - 174 Co Living Apartments & Commercial Unit Residential Cardiff Mar-27 £ 13,254,000 12851002 View project
13 Cardiff Central Railway Station - Platform Zero Civil Engineering Cardiff Nov-26 £ 10,000,000 12841099 View project
14 Cowbridge Road East Development Residential Cardiff Apr-26 £ 10,000,000 12689734 View project
15 Gravity Cardiff, Capitol Centre - Entertainment Centre Commercial & Retail Cardiff Mar-27 £ 8,959,200 12793140 View project
16 Windsor Court, 109-119 Queen Street - Student Accommodation Residential Cardiff Oct-26 £ 8,460,000 12549865 View project
17 Howells Of Cardiff - Phase 2 & 3 Commercial & Retail Cardiff Dec-26 £ 7,200,000 12441002 View project
18 Stride Park, Parc Ty Glas - Industrial & Commercial Commercial & Retail Cardiff Apr-27 £ 5,773,400 12877573 View project
19 The Gaiety, City Road - 70 Flats & Commercial Units Residential Cardiff May-26 £ 5,474,400 12838563 View project
20 St Teilos High School, Llanedeyrn - 53 Houses Care Residential Cardiff Apr-27 £ 5,075,000 12799588 View project
21 Cardiff Market Renovation & Restoration Commercial & Retail Cardiff Sep-26 £ 5,000,000 12711389 View project
22 Great Point Seren Studios - Phase 3 Utilities Cardiff Apr-27 £ 5,000,000 12721209 View project
23 Atlantic Eco Park - Waste Processing Blending Building Utilities Cardiff Dec-26 £ 3,132,000 12447843 View project
24 Northern Medical Centre - Pentyrch, St Fagans Medical & Healthcare Cardiff Jul-26 £ 3,000,000 12544122 View project
25 Former Ibis Hotel, Tyndall Street, Butetown - 98 Bed Homeless Hostel Care Residential Cardiff Apr-27 £ 2,940,000 12879967 View project
26 Madina Masjid Mosque & Community Centre Civic & Public Cardiff Jan-27 £ 2,835,000 12747125 View project
27 635-637 Cowbridge Road East, Canton - 20 Apartments Residential Cardiff Dec-26 £ 2,800,000 12414237 View project
28 Wolfs Castle Inn, Llanishen - 14 Flats & 10 Houses Residential Cardiff Mar-27 £ 2,430,000 12910156 View project
29 Corpus Christi High School, Ty-Draw Road - Sports Hall Building Education Cardiff Apr-27 £ 2,290,000 12821149 View project
30 Newbridge House - 23 Flats & Retail Residential Cardiff Jan-27 £ 2,265,000 12773290 View project
Position Project Main Sector City Start Date Project Value Project ID View Project
1 Rover Way, Splott - Energy Park & 90MW Data Centre Utilities Cardiff Apr-27 £ 1,935,000,000 12778496 View project
2 Harlech Court - 340 Flats, Retail Unit and Restaurant Residential Cardiff Dec-26 £ 100,000,000 12555015 View project
3 St Fagans Road, Phase 1 - 307 Houses Residential Cardiff Apr-26 £ 62,760,000 12839772 View project
4 Atlantic Wharf, 1 East Bay Close- 353 Apartments Residential Cardiff Apr-27 £ 60,000,000 12653793 View project
5 Llantrisant Road - Phase 1 & Parcel 2C - 184 Houses Residential Cardiff May-26 £ 55,000,000 12851711 View project
6 Llanilltern Village Phase 4&5 - Mixed Development Residential Cardiff Dec-26 £ 35,250,000 12692508 View project
7 Parkview Health and Wellbeing Hub Medical & Healthcare Cardiff Sep-26 £ 34,300,000 12670732 View project
8 Asset House, Penarth Road - 182 Flats And Retail Residential Cardiff May-26 £ 28,000,000 12825448 View project
9 Channel View, Phase 2-6 & Marl Works - 67 Houses & 161 Flats Residential Cardiff Dec-26 £ 22,800,000 12892814 View project
10 Queen Street, Cathays - ExtensionQueen Street, Cathays - Extension Hotel & Catering Cardiff Dec-26 £ 20,000,000 12846303 View project
11 The Gaiety, Roath - 70 Apartments & Commercial Units Residential Cardiff Jun-26 £ 20,000,000 12783091 View project
12 Asset House, Phase 2 - 174 Co Living Apartments & Commercial Unit Residential Cardiff Mar-27 £ 13,254,000 12851002 View project
13 Cardiff Central Railway Station - Platform Zero Civil Engineering Cardiff Nov-26 £ 10,000,000 12841099 View project
14 Cowbridge Road East Development Residential Cardiff Apr-26 £ 10,000,000 12689734 View project
15 Gravity Cardiff, Capitol Centre - Entertainment Centre Commercial & Retail Cardiff Mar-27 £ 8,959,200 12793140 View project
16 Windsor Court, 109-119 Queen Street - Student Accommodation Residential Cardiff Oct-26 £ 8,460,000 12549865 View project
17 Howells Of Cardiff - Phase 2 & 3 Commercial & Retail Cardiff Dec-26 £ 7,200,000 12441002 View project
18 Stride Park, Parc Ty Glas - Industrial & Commercial Commercial & Retail Cardiff Apr-27 £ 5,773,400 12877573 View project
19 The Gaiety, City Road - 70 Flats & Commercial Units Residential Cardiff May-26 £ 5,474,400 12838563 View project
20 St Teilos High School, Llanedeyrn - 53 Houses Care Residential Cardiff Apr-27 £ 5,075,000 12799588 View project
21 Cardiff Market Renovation & Restoration Commercial & Retail Cardiff Sep-26 £ 5,000,000 12711389 View project
22 Great Point Seren Studios - Phase 3 Utilities Cardiff Apr-27 £ 5,000,000 12721209 View project
23 Atlantic Eco Park - Waste Processing Blending Building Utilities Cardiff Dec-26 £ 3,132,000 12447843 View project
24 Northern Medical Centre - Pentyrch, St Fagans Medical & Healthcare Cardiff Jul-26 £ 3,000,000 12544122 View project
25 Former Ibis Hotel, Tyndall Street, Butetown - 98 Bed Homeless Hostel Care Residential Cardiff Apr-27 £ 2,940,000 12879967 View project
26 Madina Masjid Mosque & Community Centre Civic & Public Cardiff Jan-27 £ 2,835,000 12747125 View project
27 635-637 Cowbridge Road East, Canton - 20 Apartments Residential Cardiff Dec-26 £ 2,800,000 12414237 View project
28 Wolfs Castle Inn, Llanishen - 14 Flats & 10 Houses Residential Cardiff Mar-27 £ 2,430,000 12910156 View project
29 Corpus Christi High School, Ty-Draw Road - Sports Hall Building Education Cardiff Apr-27 £ 2,290,000 12821149 View project
30 Newbridge House - 23 Flats & Retail Residential Cardiff Jan-27 £ 2,265,000 12773290 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 30 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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View more top projects happening in 2027

➡️Top Construction Projects in London

➡️Top Construction Projects in North East

➡️Top Construction Projects in East Midlands

How are these tables ranked?

The top construction project rankings are sourced directly from Barbour ABI’s Construction Project Leads Platform. 

The rankings are based on projects by total value with a start date six months back through to six months forward. All construction sectors are eligible to be included.

Please note that we’ve excluded all masterplans from our league tables and instead focus on individual projects.

Get a free monthly update on the top performers in the industry

Barbour ABI produces a Top 50 report every month directly on our website that highlights the top performers in construction. It showcases the top: 

  • Contractors
  • Architects
  • Clients 

The report is published each month and provides a 12 month review to see who’s consistently in the top rankings.

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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.

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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.
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FAQs

  1. Rover Way, Splott, Energy Park & 90MW Data Centre: £1.94bn
  2. Harlech Court, 340 Flats, Retail Unit and Restaurant: £100m
  3. St Fagans Road, Phase 1, 307 Houses: £62.8m
  4. Atlantic Wharf, 1 East Bay Close, 353 Apartments: £60m
  5. Llantrisant Road, Phase 1 & Parcel 2C, 184 Houses: £55m
  6. Llanilltern Village, Phase 4 & 5, Mixed Development: £35.3m
  7. Parkview Health and Wellbeing Hub: £34.3m
  8. Asset House, Penarth Road, 182 Flats and Retail: £28m
  9. Channel View, Phase 2-6 & Marl Works, 67 Houses & 161 Flats: £22.8m
  10. Queen Street, Cathays, Extension: £20m

As of November 2026, the biggest construction project in Cardiff is the Rover Way, Splott – Energy Park & 90MW Data Centre valued at £1.94bn.

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. 

Residential has the most major projects, with utilities leading by value.

Utilities leads by value. It has three projects worth £1.94bn, or 78% of the total. The £1.94bn Rover Way, Splott Energy Park & 90MW Data Centre accounts for almost all of it, making up 78% of Cardiff’s combined value on its own.

Residential has the most projects. It has 15 entries worth £428.5m (17%), mostly large housing and mixed-use apartment schemes. Its average project value is about £28.6m, well below utilities at about £647.7m.

Medical and healthcare is the third-largest sector. It has two projects worth £37.3m (2%), led by the £34.3m Parkview Health and Wellbeing Hub, with the £3m Northern Medical Centre in Pentyrch making up the rest.

Beyond these three, no sector reaches 2% of the total. Commercial and retail has four projects worth £26.9m, hotel and catering has one worth £20m, and civil engineering has one worth £10m, Cardiff Central Railway Station’s Platform Zero.

 
 

All of Barbour ABI’s league tables are updated on a quarterly basis.

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