Single Storey Rear Extension in Crownhill
Crownhill
Single storey rear extension with flat roof, large Bi-Fold door, roof lantern and kitchen installation.

Crownhill Building Services Ltd · Company 15346453 · Trading heritage since 2006
Active, accounts up to date·main contractor·Head office Potters Bar
Crownhill Building Services has been a trusted name for homeowners in Milton Keynes since 2006, specialising in home extensions and renovations. We pride ourselves on delivering projects to the highest standards, managing every aspect from initial design through to final handover with our custom-built project management system. Our team of skilled professionals brings creativity, innovation, and a determination to achieve excellence in every build.
We offer a comprehensive service that goes beyond just extensions, including kitchen and bathroom installations, and structural engineering. Our approach is unique, focusing on transparency with free access to unscripted customer reviews and offering site visits to completed projects. We treat your home with respect, ensuring punctuality, hard work, and tidiness throughout the process.
With over 20 years of experience and hundreds of projects completed, we are passionate about creating spaces that work for our clients. Our reputation is built on professionalism, reliability, and a commitment to 100% customer satisfaction. We invite you to explore our video feedback and see for yourself how our clients feel about their transformed homes.
Crownhill
Single storey rear extension with flat roof, large Bi-Fold door, roof lantern and kitchen installation.
Brooklands, Milton Keynes
Single storey kitchen extension that transformed the family home.
Newport Pagnell Milton Keynes
A stunning double storey front extension that transformed the front of the property with a full two storey addition, increasing living space dramatically while maintaining a traditional brick finish.
Castlethorpe, Milton Keynes
Kitchen extension transformation with a contemporary, light-filled space designed for seamless indoor-outdoor living.
Westcroft in Milton Keynes
Luxury single storey rear extension that has transformed the family living space.
Crownhill, Milton Keynes
Home extension featuring sleek aluminium sliding doors, Amtico flooring, and seamless indoor-outdoor living.
Wavendon Gate in Milton Keynes
Single storey extension that the customer felt "It feels like it has always been here".
Oldrbook
House extension where CBS handled all aspects of the process: created plans and structural calculations, managed building control and the entire build.
Milton Keynes
Garage converted into small self-contained accommodation, exceeding customer expectations.
Whaddon
Single storey rear extension with kitchen and cloakroom installation and extensive internal re-configuration.
Loughton, Milton Keynes
Two storey side extension completed by CBS.
Milton Keynes
Building the back extension and converting the garage into the kitchen. Completing large back house extension in Milton Keynes with kitchen, utility room and a bathroom within it.
This profile was compiled from public records. Claim it to add the things buyers ask for:
Builders in Milton Keynes since 2006. Home extensions, property renovations, kitchen and bathroom installations, fully managed from design to finish by our experienced local team. Free quotes. Their listed services include Extensions, Refurbishment, Kitchen fitting, Bathroom fitting and Design & build.
Crownhill Building Services Ltd is registered at Brosnan House, Suite 2b, 175 Darkes Lane, Potters Bar, EN6 1BW, in London.
Crownhill Building Services Ltd states that it works across Milton Keynes.
Accounts filed for the year to 2025 report 2 employees, which places the company in the 1-9 employees band.
Crownhill Building Services Ltd does not disclose turnover: UK small-company accounts are not required to. Based on headcount in its filed accounts, turnover is likely to fall between £140k and £380k. This is an estimate, not a filed figure.
Companies House lists Crownhill Building Services Ltd as active, with accounts most recently made up to 2025-12-31.
Crownhill Building Services Ltd displays Gas Safe, NICEIC, NAPIT, Checkatrade and FENSA Registered Company on its website.
Crownhill Building Services Ltd works in Residential.
Crownhill Building Services Ltd was incorporated on 2023-12-12, though the company says it has traded since 2006.
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