House extensions – quality craftsmanship, Hounslow & across the UK

Wide range of building services. Experienced and skilled builders. 24/7 available response.

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A brick house with a red-tiled roof features a sunroom extension with white-framed windows

Distinctive expertise

Customised designs for unique spaces

Layouts are planned to maximise space and suit your lifestyle.

Seamless integration with existing structures

New additions designed to blend naturally with your home.

20 years of trusted expertise

Two decades of delivering reliable building projects.

Attic bedroom with sloped ceiling, featuring a skylight and tree view

Expert extensions can transform your home

Union Building Contractor Ltd specialises in creating stunning house extensions, loft conversions, and garage conversions that add both space and value to your property. Whether you’re dreaming of a new bedroom, a spacious kitchen, or a cosy loft retreat, our team brings your vision to life with precision and care. We understand the challenges of expanding your home and ensure every project is tailored to your needs, blending functionality with style. We also specialise in home renovations, helping homeowners refresh and modernise their living spaces with high-quality craftsmanship. From single-storey extensions to complete garage transformations, we’re here to make your home work better for you.

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Benefits of our extension services

Tailored solutions for every home: We design extensions and conversions to suit your unique requirements.
Enhanced property value: Increase the market appeal and functionality of your home.
Experienced craftsmanship: Over two decades of building expertise in Hounslow.
Stress-free process: From planning to completion, we manage every step with care.

Anonymous

Our house extension was completed to a very high standard by Union Building Contractor Ltd. From the planning stage to completion, the team were organised, knowledgeable and easy to work with. The new space looks fantastic and has added real value to our home.” The team recently renovated our bathroom and did an outstanding job. The installation was completed to a high standard, and the builders were polite, tidy and professional throughout. We would definitely use Union Building Contractor Ltd again for future home improvements.

Comprehensive planning and construction services

Our approach to house extensions and conversions is thorough and detail-orientated. We handle everything from structural building work to the final touches, ensuring a seamless process from start to finish. Whether it’s a double-storey extension, we focus on maximising your space while maintaining the character of your home. Our skilled builders work closely with you to design and construct new living areas that meet your lifestyle needs, ensuring every detail is executed to the highest standard. With 24/7 availability, we’re always here to support your project.

Enhance your home with a bespoke extension

Call now to discuss your house extension project today.