Modern kitchen with dark blue cabinets, white countertops, center island with stools, and brick backsplash.

Small black garden room with large glass windows and an open door, facing a green lawn.

Founder-led delivery

residential & commercial construction in london

High-end refurbishments, extensions and fit-outs, managed with direct communication, tidy sites and careful finishing.

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Why Us

Quinn Construction delivers high-end residential work and selected commercial projects across London, with a strong focus on finish and a calm process. We are detail-led, straightforward to work with, and respectful on site, with clear communication from start to handover. For homeowners that means a build you can live alongside. For businesses it means work delivered with minimal disruption and a professional result.

Years of experience

Member of the Chartered
Institute of Building

More about us

Dining area with wooden table, bench, four chairs, hanging lights, plants, and large glass doors.

Our projects

Recent projects

All projects

04 - 04

CrossFit and olympic weightlifting gym expansion

This long-term project involved continuous expansion of a CrossFit and Olympic weightlifting gym located under the railway arches at Clapham Junction.

03 - 04

Kitchen refurbishment with structural work

A high-end residential kitchen refurbishment in Clapham Junction.

02 - 04

Full flat refurbishment

Full flat refurbishment (living room, kitchen, bedrooms, garden decking)

01 - 04

Kitchen & Two-Story Side Extension

Ground-floor kitchen extension paired with a two-story side extension (new boiler & heating system in the loft).

our services

Find out more

Extensions & Reconfiguration

Extensions and structural changes, managed properly. Clean sequencing, clear communication, and a finish that matches the existing home or building.

Refurbishment & Interiors

Full refurbishments, kitchens, bathrooms, and interior upgrades. Detail-led work with tidy sites and consistent standards.

Conversions & Space Gains

Loft and basement conversions that add space without compromising the rest of the property. Organised delivery and careful finishing.

Externals & Commercial Spaces

Selected commercial refurbishments and improvements, planned to reduce disruption. Professional delivery, clear timelines, and a neat finish.

Modern kitchen with blue cabinets, marble countertops, stovetop, blender, and a flower vase on island.

Marble countertop kitchen with blue cabinets, espresso machine, wine bottles, and gas stove.

Marble worktops, splashback

Kitchen with marble countertops, blue cabinets, gas stove, blender, and blurred purple flowers in foreground.

Integrated range cooker

Kitchen counter with blue cabinets, a fruit bowl with bananas, and assorted spice jars near an electric outlet.

Full-height shaker cabinetry

what our clients think

10/10

Verified CheckATrade Ratings

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Thank you for the service

I had a really great experience with Quinn Construction. The team was so nice and approachable, and their service was top-notch from start to finish. They listened to what I wanted, kept me updated along the way, and the quality of their work is fantastic. I’m really happy with how everything turned out and would definitely recommend them to anyone looking for reliable and friendly builders.

Kitchen renovation

Can’t recommend highly enough - Barry and his team were a pleasure to work with. Very respectful, kept to deadline and went above and beyond. Can’t wait for the bathroom to be renovated next - couldn’t be happier!

Ventilation installation for basement

Barry and team were thorough, communicated well and very respectful of our home. They provide support and executed our job very quickly and professionally.

Custom desk

I had a custom desk built for my bedroom by Quinn Construction, and I couldn’t be happier with the result! The team was incredibly professional, delivering top-notch quality with attention to every detail. The project was completed efficiently and exceeded my expectations. I highly recommend them for their excellent craftsmanship and outstanding service!