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House Extensions & Home Renovations
Single Storey Extensions, Renovations & Open-Plan Living
- ✓ Fully Insured
- ✓ Complete Project Management
- ✓ Extension & Renovation Specialists
Professional House Extensions & Home Renovations
If your current home no longer gives you the space, layout or functionality you need, a professionally built extension or renovation can completely transform how you live. Botnari Construction provides reliable house extension and home renovation services designed around your property, your lifestyle and your long-term plans.
We work with homeowners, landlords and property developers across Watford, Harrow, Slough, Maidenhead, Borehamwood and High Wycombe, delivering high-quality building work from the first consultation through to the final finish. Whether you are planning a rear extension, single-storey extension, kitchen extension, open-plan renovation or complete home improvement project, our team can manage the work carefully and professionally.
From structural alterations and groundwork to plumbing, electrical work, plastering, flooring, decorating and finishing, we provide complete support under one roof. Our aim is to create practical, attractive and long-lasting spaces that add value to your property and make your home work better every day.
Complete House Extension & Renovation Services
Every property is different, which is why we tailor our building services to suit your plans, budget and existing home. Whether you need additional living space, a better layout, a modern kitchen diner or a full property renovation, Botnari Construction delivers practical solutions with reliable workmanship.
Single Storey Extensions
Create more space with a well-built single-storey extension, ideal for larger kitchens, dining rooms, family rooms and open-plan living areas.
Double Storey Extensions
Add valuable space across two floors, including extra bedrooms, bathrooms, home offices and improved family accommodation.
Rear Extensions
Extend into your garden area to create a brighter, more spacious home with better connection between indoor and outdoor living.
Side Return Extensions
Make better use of unused side space, especially in terraced and period properties, to create wider kitchens and improved layouts.
Kitchen Extensions
Transform your kitchen into a larger, brighter and more practical space for cooking, dining, entertaining and family life.
Open-Plan Renovations
Improve the flow of your home with carefully planned structural alterations, wall removals and modern open-plan living spaces.
Why Choose Botnari Construction?
Choosing the right builder is one of the most important parts of any extension or renovation project. We provide a professional, organised and practical service, helping you move from ideas to completed work with confidence.
- Complete extension and renovation solutions
- Experienced multi-trade building team
- Reliable project management from start to finish
- Structural alterations, plumbing, electrics and finishing work
- High-quality workmanship and attention to detail
- Clear communication throughout the project
- Fully insured and professional service
- Tailored solutions for every property
House Extensions & Renovations FAQs
Some house extensions can be built under permitted development rights, while larger or more complex projects may require planning permission. We can discuss your plans and help you understand the likely requirements before work begins.
The timescale depends on the size, design and complexity of the extension. Smaller single-storey extensions may take several weeks, while larger extensions and full renovation projects can take several months.
Yes. Botnari Construction can manage the full project, including groundwork, structural work, brickwork, roofing, plumbing, electrical work, plastering, flooring, decorating and finishing.
In many cases, homeowners can remain in the property during the work. This depends on the size of the project, access, services, safety and the areas being renovated.
Kitchen extensions, rear extensions, double-storey extensions and open-plan living spaces can all add value when they are well designed and professionally built.
Yes. We can include kitchen installations, bathroom renovations, plumbing, electrical work, tiling, flooring, plastering and decorating as part of a wider renovation project.
Yes. Botnari Construction is fully insured, and all work is completed carefully and professionally.
We provide house extension and renovation services across Watford, Harrow, Slough, Maidenhead, Borehamwood, High Wycombe and surrounding areas.
Local Extension & Renovation Specialists
Botnari Construction provides professional house extension and renovation services across Watford, Harrow, Slough, Maidenhead, Borehamwood, and High Wycombe.
We help homeowners improve their properties with carefully planned building work, practical renovation solutions and high-quality finishes. Whether you want to extend your kitchen, create a new family living area, renovate an older property or reconfigure your internal layout, our team can help bring your plans together.
Our services can also be combined with house refurbishment, bathroom renovations, plumbing services, electrical services, and carpentry and joinery to provide a complete home improvement solution.
Request a quoteWords From Our Customers
We help homeowners improve their properties with reliable service, clear communication and quality workmanship.
Botnari Construction helped us with renovation work at our home. Communication was clear, the work was completed carefully and everything was left tidy.
Andrew Chapman HomeownerA
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We needed a reliable builder for work at our property. The team were professional, helpful and completed everything to a very good standard.
Lucy Brown Homeowner
