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Expert tile roofing installation and leadwork by Firmus Roofing & Building on a Buckinghamshire home extension.

Bespoke House Extensions in Kidlington & Surrounding Areas

Are you looking to expand your living space without the stress of moving? At Firmus Roofing & Building, we specialise in delivering transformative house extensions in Kidlington and across the Cherwell district.With over 15 years of industry expertise, our family-run team brings your vision to life. Whether you are dreaming of a spacious open-plan kitchen extension, a functional home office, or a comprehensive double storey extension, we provide a premium, tailored service from start to finish. Our commitment to structural integrity and meticulous interior finishes ensures your new space seamlessly complements your existing home.Ready to discuss your property renovations in Oxfordshire? Speak to our building experts today on 01296 938085 to arrange a transparent, free quote and site survey.

Our Step-By-Step House Extension Process

Undertaking a structural addition to your home is a major investment, which is why we prioritise clear communication and flawless project management. Our collaborative approach ensures you are kept informed at every stage of the journey.Initial Survey & Consultation: We visit your property to discuss your ideas, assess the site, and provide professional guidance.Architectural Design & Approvals: We collaborate with architectural design experts to draft plans, ensuring they meet all structural and local requirements.The Build Phase: Our master craftsmen handle the groundwork, brickwork, and construction, keeping disruption to an absolute minimum.Roofing & Finishing: From integrating pitched or flat roofs to final interior touches, we ensure your extension is fully weather-proofed and completed to the highest standards.

Comprehensive Project Management & Build

Single, Double-Storey & Kitchen Extensions

Fully Compliant with Local Building Regulations

Seamless Brick-Matching & Premium Materials

10-Year Workmanship Guarantee

Expert roofer installing red roof tiles on a pitched roof in Buckinghamshire

Bespoke Design & Planning

We collaborate with you to design the perfect house extension in Buckingham. From architectural drawings to managing local authority planning permissions and building regulations, we ensure a seamless start to your home improvement journey.

Premium Material Sourcing

We source high-quality, durable materials tailored to your property's style. Whether your home requires sympathetic brick matching for a Conservation Area or modern energy-efficient installations, we guarantee structural integrity and exceptional aesthetics.

Expert Construction & Build

Backed by over 15 years of experience, our skilled tradesmen manage the entire build. From foundational groundworks to the final roof installation, we deliver transformative extensions with supreme attention to detail and a 10-year workmanship guarantee.

Why Invest in a Property Extension Today

Choosing to extend your home offers incredible lifestyle and financial advantages. A well-designed kitchen extension or additional living area can significantly boost your property value while providing the much-needed space your growing family requires.By investing in expert home builders in Cherwell, you save on the hefty costs associated with moving, such as stamp duty and legal fees. Furthermore, modern structural additions are built to the latest energy efficiency standards. We use high-quality insulation and premium materials to ensure your new space remains warm in the winter and cool in the summer, helping to lower your household energy bills.If you are considering a property upgrade, call our local experts on 01296 938085 to explore your options.

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Expert pitched roof tile installation and repair in Buckinghamshire by Firmus Roofing & Building.

Areas We Serve

As trusted local builders based in Aylesbury, Firmus Roofing & Building proudly delivers premium house extensions and transformative building projects across a 25-mile radius. Whether you require a bespoke double-storey extension in Buckingham, a kitchen expansion in Winslow, or property renovations spanning Milton Keynes and Bicester, our expert team is ready to help.

Modern grey flat roof replacement in Aylesbury

Navigating Cherwell Planning and Building Control

Understanding local compliance is crucial for a successful and stress-free build. As experienced local builders, we have extensive knowledge of Cherwell District Council planning permission requirements and UK Building Regulations. We ensure every phase of your project is fully compliant and officially signed off by building control.Many single-storey extensions and garage conversions fall comfortably under permitted development rights. However, if your project requires formal planning approval or involves the Party Wall Act, we offer professional guidance to smooth the process and avoid delays.Kidlington and the surrounding Oxfordshire villages boast many beautiful Conservation Areas and listed buildings. We are highly skilled in sympathetic design, utilising traditional heritage roofing materials and matching brickwork to preserve local character while expertly upgrading your home.

Ready to transform your Buckingham home with a bespoke extension?

Speak To Our Building Experts