Siptekk - Extensions
Efficient scandi-style extensions
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Underfloor heating as standard
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Very Fast installation / build times
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Superior insulation values throughout
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Traditional foundations – concrete strip footings, engineered raft bases, or screw piles and Quickbases where suitable
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Planning permission and full building regulations included
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No PVC products – all Bi-folding doors and windows are premium aluminium
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In-house teams throughout the build
Premium-quality home extensions
Siptekk delivers premium-quality home extensions that far outperform conservatory-style structures and other lightweight, non-traditional alternatives. Our extensions are engineered to provide genuine long-term value, enhancing both your living space and your property’s overall market appeal.
Each building is constructed using our advanced structurally insulated panel system, ensuring superior strength, energy efficiency, and year-round comfort.
To suit a wide range of architectural styles, we offer an extensive choice of exterior finishes, including durable silicone colour-fast renders, natural Canadian cedar or larch cladding, and robust composite cladding options. Where a more traditional aesthetic is desired, Siptekk can also incorporate a secondary outer wall to allow for brickwork or natural stone finishes.
Our precision-engineered system ensures rapid installation while delivering a modern, high-performance extension with exceptional attention to detail. Every project is designed to seamlessly blend with your home, creating a functional and visually cohesive addition tailored to your needs. With Siptekk, you receive a long-lasting, low-maintenance extension that elevates comfort, efficiency, and property value.
25+ Years Experience
Fast build time
Planning permission and full building regs managed
Customer Reviews
L Harris
“Fantastic Company to deal with. Very Professional. Attention to detail is excellent. Lovely Team of people - Would Highly recommend.”
“Exceptional service. Concrete and steel works completed were first class. The team were great and very respectful to both us and our property.”
Angela Weids
Will Leach
“My experience was of a professional well run company. At all stages of the build I felt completely confident that everything was being managed thoroughly -a pleasure to deal with.”
Areas we cover
Based in Weston super Mare, we are happy to help
customers in the following areas:
Bristol
Cornwall
Surrey
Wiltshire
Buckinghamshire
Oxfordshire
Berkshire
Dorset
Hampshire
Devon
Windsor
We also cover all of South West, West London to Lands End
including Taunton, Tiverton & Exeter. Please call for more information.
Request a quote
Tell us about your project and receive a personalised quote from the Siptekk team.
Whether you’re planning a bespoke extension, garden room, annexe, or a full SIP building, we’ll guide you through every step of the process.
Simply complete the form below with as much detail as possible, and one of our specialists will be in touch to discuss your requirements and next steps.
Prefer to chat? See our contact details here.