Choosing Eton Builders for your basement conversion means working with a team of experienced professionals dedicated to delivering exceptional results. With over 25 years of expertise, we specialise in transforming basements into functional and stylish spaces tailored to your needs, whether it’s a home office, gym, playroom, or luxurious living area. From initial design and planning to construction and final touches, we manage every aspect of the project, ensuring a seamless experience. Our commitment to quality, compliance with building regulations, and attention to detail guarantee a basement conversion that not only enhances your home but also adds significant value. With Eton Builders, you can trust your project will be delivered on time, within budget, and to the highest standard.
With over two decades of renovation experience, we are proud members of the Federation of Master Builders, NICEIC-certified contractors, and backed by TrustMark. Every project is assigned a dedicated project manager to ensure the work is delivered on time, within budget, and in a stress-free manner.
If you’re considering a basement renovation, contact us today for a free consultation!
We are expert builders with a proven track record of over 15 years and the accreditations to back it. We are accredited by the Federation of Master Builders, approved by TrustMark, fully NICEIC-certified electricians, and registered with Checkatrade. So, with us, you can be assured you are in safe hands.
Our goal is to provide you with the best prices for the standard of work we deliver. You will get clear, transparent pricing with no hidden surprises.
Our senior team has over 35 years of combined experience and proven client references to back it up.
Our in-house team includes NICEIC-qualified electricians, so you don’t have to manage multiple different teams.
Our in-house team includes qualified expert plumbers, meaning we can take care of all plumbing work related to your project.
Property refurbishments, home extensions, loft conversions, basement conversions—we do it all.
We have over a decade of experience working on commercial projects, so whatever your requirements, we are here to help.
A basement conversion involves transforming an unused or underutilised basement into a functional, livable space that enhances the value and usability of your property. This process often includes excavation, waterproofing, and fitting out the area to suit your needs, whether it’s a home office, gym, extra bedroom, or entertainment space. Basement conversions are a smart way to maximise your home’s potential, especially in urban areas where space is at a premium. They provide a cost-effective alternative to moving while giving you the additional room you need without altering your property’s external footprint.
“I couldn’t be happier with the work Eton Builders did on my loft extension. The team was professional, efficient, and kept me updated throughout the entire process. The finished space exceeded my expectations, and I now have a beautiful new bedroom and bathroom that feel like a luxurious retreat. Highly recommend them!”
“Eton Builders transformed our basement into a stunning living area, complete with a home office and gym. Their attention to detail was incredible, and they handled every challenge with ease. The project was completed on time and within budget, which was a huge relief. I’d definitely work with them again!”
“We hired Eton Builders for a kitchen refurbishment, and they truly brought our vision to life. The open-plan design has completely changed how we use the space, and the natural light is amazing. The team was friendly, professional, and ensured everything was done to the highest standard. Thank you, Eton Builders!”
A basement conversion transforms an underutilised or unused basement into a functional living or working space. Whether you're looking to add a bedroom, home office, gym, or entertainment area, a well-executed basement conversion can enhance both your lifestyle and property value.
In many cases, basement conversions that do not alter the external structure of the property fall under permitted development rights and do not require planning permission. However, if significant structural changes, excavation, or alterations are needed, planning approval may be necessary. Our team, operating throughout London, can handle the entire planning process on your behalf.
The timeframe depends on the complexity and scale of the project. A typical basement conversion in London takes between 8 to 16 weeks. We provide a detailed project timeline during the consultation phase to set clear expectations.
Yes, waterproofing is an essential part of any basement conversion. We use industry-leading waterproofing and tanking systems to ensure your basement remains completely dry and protected against moisture damage. Our team will assess your property and recommend the best waterproofing solution.
Absolutely. With space at a premium in London, basement conversions are a great way to increase your property's usable area and market value. A well-designed and high-quality conversion can offer an excellent return on investment.
Yes, many London homeowners choose to convert their basements into self-contained rental units. However, additional fire safety, ventilation, and insulation regulations must be met. We will ensure your basement conversion is fully compliant with all legal requirements.
Costs vary based on factors such as basement size, excavation requirements, waterproofing solutions, and overall design complexity. We provide transparent, detailed quotes tailored to your specific needs, ensuring no hidden costs.
For most basement conversions, you can remain in your home while work is carried out below ground level. However, for large-scale projects, temporary relocation may be recommended. We will assess the best approach during the planning phase.
Yes, we offer a complete end-to-end service, from initial consultation and design to construction and final finishing. Our experienced project managers ensure every aspect of the project runs smoothly, on time, and within budget.
If you’re based in London and considering a basement conversion, contact us today via our website, call 0207 101 3713, or email info@etonbuilders.com. We’ll arrange a free, no-obligation consultation to discuss your requirements, assess your space, and provide a tailored quote.
