UK Base Construction Group designs and builds high-quality home extensions in Chichester and throughout West Sussex, Hampshire, Surrey and Brighton & Hove.
Whether you need a larger kitchen, an additional bedroom or a more spacious open-plan living area, we can create an extension that works naturally with your existing property. Every project is carefully planned around your home, budget and lifestyle, with a focus on maximising space, natural light and long-term value.
Our experienced team can manage the complete project, including architectural drawings, planning support, structural work, groundworks and all finishing trades. By coordinating every stage under one team, we provide a clear and efficient service from the initial consultation through to completion.
With more than 22 years of combined industry experience, we deliver extensions with reliable workmanship, clear communication and careful attention to detail. Our goal is to create valuable new space that feels like a natural part of your home and is built to last.
We discuss your ideas, requirements and budget, whether you already have plans or are starting with an initial concept.
We coordinate the necessary drawings and approvals before providing a clear, detailed quotation.
Our team manages every trade, maintains a safe and organised site and keeps you informed throughout the build.
We carry out final checks and leave your completed extension clean, finished and ready to enjoy.
We build home extensions in Chichester and across West Sussex, Hampshire, Surrey and Brighton & Hove.
With over 22 years of industry experience, we bring proven knowledge and a dependable approach to every project. From small jobs to full builds, we deliver work you can trust.
Based in West Sussex, we work across Chichester and surrounding areas. Our reputation is built on honest service, clear communication, and satisfied local clients. Hampshire, West Sussex, Surrey and East Sussex
We take pride in every detail, ensuring all work is completed to a high standard. Our focus is on delivering results that not only look great but are built to last.
We start by discussing your project, ideas, and requirements. Whether you have full plans or just an idea, we’ll guide you through the next steps and provide honest advice.
We provide a clear, detailed quote outlining the scope of work. Once agreed, we plan the project carefully to ensure everything runs smoothly from start to finish.
Our team carries out the work to a high standard, keeping you informed throughout. We focus on quality, reliability, and delivering your project on time and to your expectations.
Once the work is complete, we carry out final checks to ensure everything meets our standards. We leave your property clean, tidy, and ready to enjoy.
The cost depends on the size, design, structural requirements and chosen finish. We provide a detailed quotation after reviewing your plans and discussing the complete scope of work.
We build single-storey, double-storey, rear, side, wraparound, kitchen and dining extensions, including open-plan spaces and associated structural alterations.
We are based in Chichester and build home extensions across West Sussex, Hampshire, Surrey and Brighton & Hove.
Yes. We can coordinate architectural drawings, structural engineering, planning applications and Building Regulations requirements before construction begins.
Timescales vary according to the size and complexity of the project. We provide an expected construction programme before starting and keep you updated throughout the build.
Some extensions fall under permitted development, while others require planning permission. We can assess the proposal and advise which approvals are needed.
Yes. We coordinate the groundworks, structure, roofing, carpentry, electrics, plumbing, plastering and decoration, giving you one experienced team from start to finish.
Yes. We maintain safe, organised work areas, communicate about any disruption and complete a thorough clean before the finished extension is handed over.
We provide architectural and design services to help bring your ideas to life. From initial concepts to detailed drawings, we create practical and buildable plans. Our designs focus on maximising space, functionality, and long-term value.
We provide structural engineering solutions to support safe and effective building projects. From load-bearing calculations to structural designs, we ensure your project meets all requirements. Our focus is on strength, safety, and practical solutions that support your build from start to finish.
Planning & Building Inspections We provide expert guidance on planning permission, building regulations and inspections for residential and commercial projects.
We provide comprehensive general building services for extensions, renovations, alterations, structural work and property improvements. From initial preparation through to the finishing stages, our experienced team manages every element with reliable workmanship and attention to detail.
We provide professional groundwork services to support all types of building projects. From foundations and drainage to site preparation, we ensure everything is built on solid ground. Our work is carried out safely, efficiently, and to a high standard from the start.
We deliver high-quality brickwork for both structural and decorative projects. From extensions and repairs to garden walls, we ensure a precise and durable finish. Our focus is on strong, reliable workmanship that complements your property.
We provide professional carpentry services covering structural timberwork, first and second fix installations, roofing timbers, doors, flooring and bespoke joinery. Every project is completed with precision, practicality and careful attention to detail.
We provide reliable roofing services for repairs, new roofs, and building projects. From pitched and flat roofs to maintenance work, we ensure durable and weatherproof results. Our focus is on quality workmanship and long-lasting protection for your home.
We offer safe, efficient electrical services for all types of residential projects. From full rewires to lighting and upgrades, all work is completed to current regulations and standards.
Our plumbing services include everything from installations to system upgrades and repairs. We ensure reliable, efficient solutions tailored to your home and project requirements.
We deliver high-quality plastering with smooth, durable finishes ready for decoration. From patch repairs to full property plastering, we ensure a clean and professional result.
Our decorating services bring the final finish to your project with care and attention to detail. We provide clean, precise work that enhances and completes your home.