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Places where we’ve made an ImpACT.
Welcome to our showcase of completed residential construction projects. Whether it’s an expansive warehouse renovation with free-flowing interiors, a new-build mews house or a historic home adapted to contemporary living, ACT’s dedication to quality and meticulous craftsmanship make every detail special.
As many of our projects require a high level of discretion, the examples shown here represent just a selection of our work.

ACT is a leading main contractor for super-prime residential construction, refurbishment and aftercare. We build bespoke homes with stand-out features across London’s most prestigious postcodes. Explore the key areas we serve.

Explore ACT's Inspiration Hub, featuring case studies, blogs and company news. Gain insights into our projects, discover examples of our innovative approach in action and stay informed about the high-end residential construction industry.

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ACT has secured a prestigious RoSPA Gold Award for Health and Safety excellence. This achievement highlights our culture of care and strong commitment to creating the safest working environments.

RoSPA Gold Award for ACT

Proactive problem-solving is essential to successfully navigate the structural and sequencing challenges that custom stone staircases often present. Mid-way through a renovation project in South Kensington, our client requested a cantilevered limestone staircase. This required significant modifications to the surrounding spine walls in order to make this feature possible, together with extensive engineering, stone strength testing and a clever steel pocketing design to mitigate the requirement for thicker walls.

Stone Staircase Project

September brought ACT’s ‘can do’ spirit to life: from team growth and career milestones to exciting progress on site and setting out our vision for next year. Last month showed how taking initiative, supporting one another and celebrating success drives progress for all of us. Here’s how we put ‘can do’ into action in September.

September 2025 Round Up

ACT transforms underutilised spaces beneath homes into functional, beautifully designed areas. In a sizeable and complex residential basement construction project in the heart of Chelsea, our team and trusted supply chain successfully navigated multiple challenges to deliver the project on-schedule and to exact specification. 
 
This site required multiple interventions, from temporarily supporting the property off its foundations to drawing out the equivalent of ten Olympic swimming pools of water to enable the basement excavation and construction works to take place safely.

Basement Construction

Abbe Harrison, ACT’s Project Manager for three and a half years until May 2024, provides an insight into the history, craft and beauty of dry stone walls.

Dry Stone Walls

As the main contractor for this high-end residential project, ACT was responsible for carrying out extensive structural modifications. Initially, only minor roofing work was planned, but our investigations revealed severe deterioration, requiring a full roof replacement. This unexpected challenge allowed us to enhance the property with premium materials and modern features, ensuring long-term durability, sustainability and aesthetic appeal.

Roof Replacement

Anita Dragusha, ACT's Assistant Project Manager, shares her passion for cornices. We explore the history of cornices and the evolution of their design together.

Cornices

ACT is one of the leading main contractors for high-end, complex residential construction. This case study illustrates how we succeed in fast-track projects using a cast-iron roadmap, innovative procurement, early joinery design and seamless coordination to ensure both speed and exceptional quality.

Fast-Track Projects

Kris Charij, Project Manager at ACT, explains why St Paul’s Cathedral is a London icon. We peer inside to admire its awe-inspiring dome, take in its rich history and explore its majestic architectural features.

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