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Business Details
Your Trusted Builders in Swindon for Extensions & Conversions
Phoenix Extensions is a family-run business based in Swindon with over three decades of experience in the construction industry. Specialising in extensions, conversions, and renovations, we combine traditional craftsmanship with modern techniques to deliver tailored solutions for residential properties. Our approach prioritises client collaboration, ensuring every project reflects the homeowner's vision while maintaining the highest standards of quality and reliability. With a focus on minimising disruption, we manage every detail from initial consultation to completion, ensuring timely delivery without compromising on excellence.

Our reputation for fixed-price transparency, exceptional aftercare, and a commitment to treating every project as our own home has earned us a loyal client base through recommendations. As active participants in the local community, we serve Swindon and surrounding areas, offering expertise in transforming spaces to enhance both functionality and property value.
Services
House Extensions Loft Conversions Garage Conversions Orangeries Garden Rooms Exterior Renovations
Highlights and features
  • We are a family-run business with over 30 years of construction experience.
  • We focus on one project at a time to ensure dedicated attention.
  • We offer fixed-price quotes with no hidden costs.
  • We complete projects ahead of schedule while maintaining high standards.
  • We provide exceptional aftercare and ongoing client support.
What people say
Stress-free experience Completed ahead of schedule Highly recommend Exceptional aftercare Fixed-price transparency
Services
House Extensions
Transform your living space with custom house extensions designed to meet your specific needs. We specialise in creating seamless additions that enhance functionality and property value. Our process ensures minimal disruption while delivering high-quality results tailored to your lifestyle.
Loft Conversions
Maximise your home's potential with expert loft conversions that create additional bedrooms, offices, or living areas. We handle all aspects from structural changes to finishing touches, ensuring compliance with building regulations and optimal use of space.
Garage Conversions
Repurpose your garage into a functional room, whether a gym, studio, or extra living space. Our conversions maintain structural integrity while incorporating modern design elements, completed to the same high standards as our other projects.
Orangeries
Add light-filled living areas with bespoke orangeries featuring premium materials and energy-efficient glazing. We design these elegant extensions to complement your home's architecture while providing year-round usability and enhanced aesthetic appeal.
Garden Rooms
Create versatile garden rooms ideal for entertaining, working, or relaxing. Our insulated, weatherproof designs integrate seamlessly with outdoor environments, offering durable, stylish solutions that extend your living space beyond traditional boundaries.
People
Mark
Director
With over 30 years in construction, Mark oversees all projects personally, ensuring quality and adherence to timelines. His hands-on approach and attention to detail drive the company's reputation for excellence.
Jackie
Director
Jackie manages administrative operations and client relations, providing essential support throughout each project. Her organisational skills ensure smooth coordination between clients and the on-site team.
Questions
What areas do Phoenix Extensions serve?
We operate in Swindon and surrounding areas including Lechlade, Cirencester, Wanborough, Marlborough, and across Wiltshire.
How long does a typical extension take?
Most house extensions complete within 6-12 weeks, depending on complexity, with many finished ahead of schedule.
Do you handle planning permissions?
We guide clients through the process and can recommend trusted professionals to assist with planning applications.
Are your quotes fixed price?
Yes, we provide transparent fixed-price quotations with no hidden costs or unexpected charges.
Can you accommodate design changes during projects?
We remain flexible to client needs, incorporating reasonable adjustments while maintaining project timelines.
What aftercare services do you offer?
We provide ongoing support post-completion, addressing any concerns promptly and ensuring client satisfaction.