Top 30 Construction Projects in London 2026

Last updated: October 2026 | Source: Barbour ABI

The Top Construction Projects London 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.

G Park 1 London Docklands – Data Centre Campus is the Top Construction Project in London

According to Barbour ABI’s extensive planning data, the top construction project in London is the G Park 1 London Docklands – 210MW Data Centre Campus – Project Olympus project with a value of £1.5bn.

  • 2nd place – £500m Allianz House, 60 Gracechurch Street – Office
  • 2nd place – £500m G Park 2 London Docklands – 70MW Data Centre – Building 1 (Shell & Core)
  • 3rd place – £450m Project Roar, Southwark

View other top construction project rankings by region and city

Top Construction Projects London 2026 League Table

Position Project Main Sector Start Date Project Value Project ID View Project
1 G Park 1 London Docklands - 210MW Data Centre Campus - Project Olympus Commercial & Retail Jan-26 £ 1,500,000,000 12734326 View project
2 Allianz House, 60 Gracechurch Street - Office Commercial & Retail Jan-26 £ 500,000,000 12781935 View project
3 G Park 2 London Docklands - 70MW Data Centre - Building 1 (Shell & Core) Commercial & Retail Apr-26 £ 500,000,000 12900840 View project
4 Project Roar, Southwark Commercial & Retail Dec-25 £ 450,000,000 12495539 View project
5 Bollo Lane, Phase 1 & 2 - Building 1A & 3A Residential Mar-26 £ 400,000,000 12512075 View project
6 The Dovetail Building, Houndsditch - Offices & Retail Commercial & Retail Jul-26 £ 400,000,000 12585530 View project
7 Chandos Road Trading Estate - 30MW Data Centre, Phase 2 - LHR12 Commercial & Retail Feb-26 £ 300,000,000 12666073 View project
8 99 City Road - Old Street Tower Office Commercial & Retail Oct-26 £ 300,000,000 12680143 View project
9 55 Old Broad Street - Office Commercial & Retail Oct-26 £ 282,000,000 12705327 View project
10 Church Street Regeneration, Site A - 429 Flats, Library and Commercial Space Residential Nov-25 £ 275,000,000 12500416 View project
11 1 Appold Street - Offices & Restaurant Commercial & Retail Jan-26 £ 273,000,000 12686988 View project
12 65 Fleet Street - PBSA, Internal & External Refurbishment & Alterations Education Oct-25 £ 250,000,000 12418001 View project
13 Former Surrey County Hall - Mixed Development Residential Jan-26 £ 250,000,000 12615245 View project
14 Ebury Bridge Estate, Phase 2 - 334 Apartments Residential Aug-26 £ 229,000,000 12643843 View project
15 Hub by Premier Inn, 5 Strand - 693 Bed Hotel Hotel & Catering Dec-25 £ 200,000,000 12249798 View project
16 65 Gresham Street - Redevelopment Commercial & Retail Jun-26 £ 200,000,000 12666768 View project
17 Albert Wharf - 276 Apartments, Commercial & Industrial Buildings Residential Oct-26 £ 175,000,000 12081366 View project
18 110 The Queens Walk - City Hall Commercial Refurbishment Commercial & Retail Jul-26 £ 150,000,000 12751918 View project
19 Westminster Tower, Doulton Building - 30 Apartments Residential Jul-26 £ 150,000,000 12720398 View project
20 EDGE Shaftesbury Avenue - Redevelopment Commercial & Retail Sep-26 £ 150,000,000 12824537 View project
21 Regina Road Estate - 230 Dwellings & Preschool Residential Mar-26 £ 140,046,914 12862813 View project
22 Dollis Hill, College Green Phase 1 - Mixed Development Residential Sep-26 £ 140,000,000 12796738 View project
23 Plot N16, East Village - 504 Bedroom PBSA Student Accommodation Residential Dec-25 £ 135,000,000 12696256 View project
24 Bacton Rise Estate, Phase 2 - 243 Flats & 3 Commercial Unit Residential Oct-25 £ 133,000,000 12328809 View project
25 Leyton Logistics Hub - Commercial & Industrial Units Commercial & Retail Nov-25 £ 130,000,000 12690369 View project
26 East Wick Phase 3 - 345 Flats & 66 Houses Residential Apr-26 £ 130,000,000 12572690 View project
27 London Dock - Building H & J - 547 Flats/Retail Residential Jun-26 £ 130,000,000 12749518 View project
28 100 Chalk Farm Road - 254 Bedroom PBSA, 24 Flats & Commercial Residential Nov-25 £ 125,000,000 12768573 View project
29 Leegate Regeneration - 561 Apartments/Medical Centre/Gym Residential Dec-25 £ 125,000,000 12124288 View project
30 Silvertown Quays - 1.1D, 1.2D & 1.9, Mixed Development Residential Jul-26 £ 125,000,000 12813307 View project
Position Project Main Sector Start Date Project Value Project ID View Project
1 G Park 1 London Docklands - 210MW Data Centre Campus - Project Olympus Commercial & Retail Jan-26 £ 1,500,000,000 12734326 View project
2 Allianz House, 60 Gracechurch Street - Office Commercial & Retail Jan-26 £ 500,000,000 12781935 View project
3 G Park 2 London Docklands - 70MW Data Centre - Building 1 (Shell & Core) Commercial & Retail Apr-26 £ 500,000,000 12900840 View project
4 Project Roar, Southwark Commercial & Retail Dec-25 £ 450,000,000 12495539 View project
5 Bollo Lane, Phase 1 & 2 - Building 1A & 3A Residential Mar-26 £ 400,000,000 12512075 View project
6 The Dovetail Building, Houndsditch - Offices & Retail Commercial & Retail Jul-26 £ 400,000,000 12585530 View project
7 Chandos Road Trading Estate - 30MW Data Centre, Phase 2 - LHR12 Commercial & Retail Feb-26 £ 300,000,000 12666073 View project
8 99 City Road - Old Street Tower Office Commercial & Retail Oct-26 £ 300,000,000 12680143 View project
9 55 Old Broad Street - Office Commercial & Retail Oct-26 £ 282,000,000 12705327 View project
10 Church Street Regeneration, Site A - 429 Flats, Library and Commercial Space Residential Nov-25 £ 275,000,000 12500416 View project
11 1 Appold Street - Offices & Restaurant Commercial & Retail Jan-26 £ 273,000,000 12686988 View project
12 65 Fleet Street - PBSA, Internal & External Refurbishment & Alterations Education Oct-25 £ 250,000,000 12418001 View project
13 Former Surrey County Hall - Mixed Development Residential Jan-26 £ 250,000,000 12615245 View project
14 Ebury Bridge Estate, Phase 2 - 334 Apartments Residential Aug-26 £ 229,000,000 12643843 View project
15 Hub by Premier Inn, 5 Strand - 693 Bed Hotel Hotel & Catering Dec-25 £ 200,000,000 12249798 View project
16 65 Gresham Street - Redevelopment Commercial & Retail Jun-26 £ 200,000,000 12666768 View project
17 Albert Wharf - 276 Apartments, Commercial & Industrial Buildings Residential Oct-26 £ 175,000,000 12081366 View project
18 110 The Queens Walk - City Hall Commercial Refurbishment Commercial & Retail Jul-26 £ 150,000,000 12751918 View project
19 Westminster Tower, Doulton Building - 30 Apartments Residential Jul-26 £ 150,000,000 12720398 View project
20 EDGE Shaftesbury Avenue - Redevelopment Commercial & Retail Sep-26 £ 150,000,000 12824537 View project
21 Regina Road Estate - 230 Dwellings & Preschool Residential Mar-26 £ 140,046,914 12862813 View project
22 Dollis Hill, College Green Phase 1 - Mixed Development Residential Sep-26 £ 140,000,000 12796738 View project
23 Plot N16, East Village - 504 Bedroom PBSA Student Accommodation Residential Dec-25 £ 135,000,000 12696256 View project
24 Bacton Rise Estate, Phase 2 - 243 Flats & 3 Commercial Unit Residential Oct-25 £ 133,000,000 12328809 View project
25 Leyton Logistics Hub - Commercial & Industrial Units Commercial & Retail Nov-25 £ 130,000,000 12690369 View project
26 East Wick Phase 3 - 345 Flats & 66 Houses Residential Apr-26 £ 130,000,000 12572690 View project
27 London Dock - Building H & J - 547 Flats/Retail Residential Jun-26 £ 130,000,000 12749518 View project
28 100 Chalk Farm Road - 254 Bedroom PBSA, 24 Flats & Commercial Residential Nov-25 £ 125,000,000 12768573 View project
29 Leegate Regeneration - 561 Apartments/Medical Centre/Gym Residential Dec-25 £ 125,000,000 12124288 View project
30 Silvertown Quays - 1.1D, 1.2D & 1.9, Mixed Development Residential Jul-26 £ 125,000,000 12813307 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.

Want to see who's working on these projects?

Get in touch today to see who’s working on the projects, their contact information, and key project updates. Request 10 free leads below and we’ll be in touch to source the projects you want to see.

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.

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.

App mockup

Try for free

Build your pipeline with 10 free leads from the market-leading construction intelligence platform

See the platform in action with our video demo

Get a glimpse at how powerful our Construction Project Leads Platform really is. 

Watch our video demo today to see how you can target more profitable work in just a few clicks. 

Set yourself up for success with Barbour ABI

Book your free 20-min consultation today:

  • Watch in real-time as our experts find live sales opportunities in your key markets
  • Seek out key target sectors or businesses to focus on this year
  • Understand where your competitors are winning and what you can do about it
  • Build a strategy for success that works for your business

Book a Demo

Helping Contractors

Win More Business

Get in touch with us and see how we can help you win more work.

FIND YOUR

10 FREE

PROJECT LEADS TODAY

Barbour ABI White Logo

Place of registration: Barbour ABI Limited Company number: 13427982, Registered office: 5th Floor, 133 Houndsditch, London, EC3A 7BX