Loft Conversions, House Extensions & Renovations in London

About Us

Reliable, High-Quality Builders for Residential Homes

Sunny Build is a trusted, family-run building company in London, specialising in loft conversions, house extensions, kitchen renovations, and full house refurbishments for residential clients.

With over seven years in business—and a team that had worked closely together even before the company officially launched—we came together with a shared vision: to deliver high-quality building work with care, precision, and pride. That same team is still with us today, continuing to deliver exceptional results for homeowners across London.

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Our Services

Building Services in London Tailored for Homeowners

Unlike many larger companies, we don’t offer quick fixes or limited-scope services. At Sunny Build, we take pride in offering a comprehensive, high-quality service—handling everything from structural work to electrics, plumbing, tiling and bespoke joinery.

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Loft Conversions

Maximise your home’s potential with a professionally built loft conversion. We specialise in dormer, hip-to-gable, mansard, and London roof conversions, delivering extra space without compromising on style or structure. Our loft conversions receive the same detailed attention and finish as our extensions and renovations.

House Extensions

Need more room? We deliver expertly managed house extensions that integrate seamlessly with your existing property. From foundations to finishing touches, we cover every aspect—ensuring quality and consistency throughout.

Kitchen Renovations

We create stunning, functional kitchens with precision joinery, expert plumbing, and smart layouts. Our kitchen extension services in London include all structural work, electrics, and tiling, crafted around your lifestyle.

Full House Renovations

Whether you’re modernising an older property or refreshing your family home, our home renovation services are tailored, thoughtful, and built to last.

Our promise

Why Choose Sunny Build?

Experienced, Family-Run Builders in London

You’ll work directly with our core team—no middlemen, no surprises.

Full-Service Offering

We manage every aspect of your project, from structural work to fine finishes.

Committed to Quality and Integrity

We’re clear on costs, honest about timelines, and committed to doing the job right.

Focused on Homeowners

We do not work with developers. Our focus is solely on homeowners who value quality, reliability, and craftsmanship.

What Our Clients Say

Trusted by Homeowners
Across London

We believe the best measure of our work is what our clients say about us. From loft conversions to full house renovations, our clients value our honesty, craftsmanship, and attention to detail. Here’s what some of them have shared:

Two Storey Side & Single Storey Rear Extension

Saulius and his team were excellent! They were punctual, reliable and friendly. We lived in our house whilst major works were carried out and they were really conscientious and hard working. The huge project was completed to time and the finished product is absolutely amazing. We couldn’t be happier. Saulius is approachable and really listens to what you want. His quote is more than fair for the quality of work his team produces and he always gave us price options for things outside of the quote so we could work out what we could afford. I genuinely missed them when the project was complete!
Bathroom Reconfiguration & Refit

Having been extremely pleased with the work that Sunny Build did on our loft conversion, we asked them back to re-fit our family bathroom. The previous layout needed completely reconfiguring, and Saulius was really helpful with advising us on what was possible with the space. The tiler did a fantastic job and paid so much attention to detail. Any hiccups (as with all building work) were addressed and resolved swiftly. We’re very pleased with our new bathroom.
Loft Conversion

We have just had a loft conversion with Sunny Build and had a truly excellent experience with them. The entire team is hardworking, courteous and punctual – they turned up every day on the dot at 8am working through to 5pm, and the quality of the work is excellent. Saulius has worked with his team for many years, so they all know each other, and it was a seamless progression of one skilled tradesman following the other – no huge gaps waiting for builders to come back or daily fear of whether someone would turn up. This team is utterly reliable and I can’t recommend them highly enough.
Side Return On Semi-Detached House in London

We would hugely recommend Sunny Build. They did an excellent job on our side return. Saulius is great to deal with. He listens, doesn’t make you feel like an idiot, and holds his teams to a higher-standard than in many cases we would have. He was also very clear and straightforward with payments which was a refreshing element of this job. We are hoping to use Sunny Build again and have been recommending them to our friends.
Side Dormer Extension

We recently worked with Sunnybuild on a side dormer extension. They stuck to the budget to the £, stuck to the timeline set out at the start, were communicative, flexible and all the tradespeople who came on site as part of the build were courteous and highly skilled. Thoroughly recommend Sunnybuild.

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Get in Touch for a Free Quote

If you’re looking for reliable, experienced builders for loft conversions, kitchen extensions, or home renovations in London, contact Sunny Build today.

Call us or request a free consultation – and let’s start building your vision.

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