Maximize your living area with a premium house extension in Down Hatherley. We handle architectural drawings, structural calculations, and construction for a stress-free build.
Get Your Free QuoteFrom compact side returns in terraced homes to large wrap‑around extensions in suburban properties, we design and build Down Hatherley house extensions that enhance space, flow and value.
We manage everything: design, planning, building regulations, groundworks, structure, and high‑quality internal finishes—delivered on time and to budget by our CITB certified team.
A clear, step‑by‑step process from first enquiry to final handover so you always know what is happening on your Down Hatherley project.
We visit your property in Down Hatherley to understand how you live, your space requirements, budget and timescales. We discuss options such as single‑storey, double‑storey or wrap‑around extensions.
Working with architects and structural engineers, we develop extension drawings, prepare planning or permitted development documentation and provide a detailed, fixed price for the build.
Our build team manages all aspects of construction – groundworks, drainage, structure, roof, windows, electrics, plumbing, plastering and finishes – with regular updates and site meetings.
Once complete, we walk through your new space, deal with any snags promptly and provide certificates, warranties and building control sign‑off for your Down Hatherley house extension.
Choose the right extension for your Down Hatherley home and lifestyle
Perfect for expanding ground floor living spaces. Ideal for kitchen extensions, dining areas, or family rooms with seamless indoor-outdoor flow.
Maximize space with two-storey additions. Add bedrooms, bathrooms, and living areas while maintaining garden space and adding significant value.
Combine side return and rear extensions for maximum space transformation. Create spectacular open-plan living areas with abundant natural light.
Transform your kitchen into the heart of your home. Modern kitchen extensions with island units, dining areas, and seamless garden access.
Light-filled extensions that blur the boundary between indoor and outdoor living. Modern glazed extensions with excellent thermal performance.
Convert unused loft space into bedrooms, offices, or playrooms. Dormer extensions and full loft conversions with modern amenities.
A specialist house extension contractor trusted across Down Hatherley and the wider Gloucestershire area for quality, safety and clear communication.
All trades on your Down Hatherley house extension are vetted, experienced and follow CITB and UK building regulations. Structural work, foundations, steels and roof alterations are all signed off by qualified professionals.
We provide clear, itemised quotes for your extension project in Down Hatherley – including labour, materials and allowances – so you know exactly what’s included before work begins.
Building Group carries full public liability and employers’ liability insurance. All major elements of your house extension are covered by written workmanship guarantees and manufacturer warranties.
From initial concept sketches to planning permission and building control sign‑off, we manage the full process for your Down Hatherley extension so you only deal with one contractor.
Well-designed extensions can add 15-25% to your property value, often exceeding construction cost and providing excellent ROI.
Extend your current home instead of moving. Save on estate agent fees, stamp duty, legal costs, and the stress of relocating.
Create the space your family needs to grow and thrive—open-plan living, additional bedrooms, and functional family areas.
Custom layouts, premium materials, and finishes that reflect your style and needs—designed for Down Hatherley homes.
Looking for trusted house extension builders in Down Hatherley and across Gloucestershire? Our local team delivers high–quality extensions with full project management.
Because we work across Down Hatherley and the wider Gloucestershire area, we understand local planning policies, typical property types and what adds real value in this market.
You can also browse all of our coverage areas on our House Extensions Near Me hub to see other locations we serve around Gloucestershire.
We cover Down Hatherley and surrounding Gloucestershire locations, typically within a 30–40 minute drive. This keeps our teams local and our response times quick.
From initial consultation to final handover—complete delivery in Down Hatherley
Professional architectural services
Full application and approval service
CITB certified professional trades
Our extension teams operate across Down Hatherley and neighbouring areas, bringing local knowledge and expertise to every project.
We provide comprehensive house extension services throughout Down Hatherley and the wider Gloucestershire area, including Down Hatherley, surrounding Gloucestershire villages and suburbs.
Our local Down Hatherley team understands the specific planning requirements, building regulations, and architectural styles common to properties in this area. We work closely with Gloucestershire planning departments to ensure smooth project approval.
Whether you're in Down Hatherley town centre or the surrounding suburbs, we deliver the same high standards of craftsmanship and project management that have made us the region's trusted extension specialists.
Recent feedback from homeowners in Down Hatherley and across Gloucestershire.
“Professional from first visit to handover. Our double‑storey extension in Gloucestershire was finished on time and to a very high standard.”
“Great communication, clear pricing and no surprises. We’d happily recommend Building Group for extensions anywhere in Gloucestershire.”
“Honest advice and quality workmanship. Our extension in Down Hatherley was completed within budget and looks amazing.”
“Our kitchen–diner extension in Down Hatherley has totally changed how we use the house. The team kept everything tidy and on schedule.”
Read more detailed feedback from our house extension clients.
See All ReviewsA selection of recent house extensions we have completed across Gloucestershire, including projects close to Down Hatherley.
Single‑storey rear extension with structural steel installation, new kitchen, rooflights and bi‑fold doors to create a modern, open‑plan family space for a home near Down Hatherley.
Two‑storey side extension providing an additional bedroom, en‑suite and extended ground floor living area for a property in the wider Gloucestershire area.
Full L‑shaped wrap‑around house extension with new utility, WC, kitchen‑diner and upgraded facade, designed to maximise the plot and add long‑term value.
Clear answers to the most common questions homeowners in Down Hatherley and Gloucestershire ask us about planning, costs and timelines for house extensions.
Not always. Many single-storey rear extensions in Down Hatherley can be built under permitted development, which means you don’t need a full planning application. However, this depends on:
Before any design is finalised, we check the latest Gloucestershire council guidance, measure your existing property and confirm whether your project is permitted development or needs a planning application. If an application is required, we handle drawings, submission and liaison with the planning officer for you.
Costs vary depending on size, specification and access, but as a guide for Down Hatherley and the wider Gloucestershire area:
We always carry out a detailed survey and provide a fixed, itemised quotation so you can see exactly what is included: groundworks, structure, roof, windows/doors, internal finishes and professional fees where required. Value engineering options can be discussed if you have a strict budget to work to.
A typical single-storey extension in Down Hatherley takes around 8–12 weeks on site, while larger or double-storey projects can take 12–16+ weeks. The programme usually follows these stages:
Before we start on site, you’ll receive a clear project programme with key milestones so you always know what is happening and when each phase is due to be completed.
In most projects, yes. Many clients in Down Hatherley stay in their homes throughout the build. We plan the works so that:
If a short period of alternative accommodation is advisable (for example during major knock-through works), we will explain this during the planning stage so you can factor it into your arrangements.
In most cases, a well-designed extension in Down Hatherley adds significant value as well as improving day-to-day living. Estate agents in Gloucestershire typically see the best returns from:
We can work with you to balance build cost against likely value uplift, so your project makes sense both as a home improvement and as an investment.
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