Garden Design Ideas that Add Value to Your Home
Introduction Your garden isn’t just an outdoor space — it’s an extension of your home. With the right design, a garden can provide a sanctuary, a social hub, or simply…
Who we are
Building with Trust, Crafting with Excellence
At Gosai Construction, we believe exceptional projects start with exceptional people. With over three decades of experience across London and Greater London, we combine craftsmanship, integrity, and attention to detail to deliver spaces that inspire and endure.
Trusted & Reliable
With over 30 years of experience, we’ve built our reputation on trust, reliability, and professionalism. Serving London and the Greater London area, we put our clients at the heart of every project — no matter the size.
Fully Qualified & Insured
Our team is fully insured and made up of skilled tradesmen working alongside leading architects, surveyors, and engineers. With the majority of our work coming through referrals, our reputation speaks volumes.
Guaranteed Quality
Every project we deliver is backed by at least a 12-month guarantee. Our builders are trained to the highest standards, ensuring every detail meets regulations, guidelines, and the expectations of our clients.
Dedicated to Excellence
From first consultation to final handover, we take pride in combining specialist knowledge with a passion for craftsmanship — creating homes and spaces that are built to inspire and built to last.
Where Expertise Builds Trust & Excellence
About Us
- 30+ Years Experience
- Fully Qualified & Insured
- Guaranteed Workmanship
- Delivered On Time, Every Time
With 30+ years in London, Gosai Construction delivers kitchens, extensions, and full renovations with craftsmanship, professionalism, and precision — always on time and to the highest standards.
OUR SERVICES
Explore our comprehensive Building services
From extensions to full refurbishments, we turn ideas into exceptional spaces — crafted with precision, care, and over 30 years of expertise.
-
01Extensions
-
02Kitchens
-
03Renovations
-
04Loft Conversions
-
05Bathrooms
-
06Gardens
-
We design and build extensions that are practical, creative, and inspiring — giving your home the space it needs to grow.
-
Our expert kitchen fitters deliver bespoke designs and flawless installations that blend style, function, and quality.
-
We manage every detail of your refurbishment to ensure a seamless process and an exceptional finished result.
-
A loft conversion is the perfect way to unlock hidden space and transform it into something truly valuable.
-
We design and install stunning bathrooms, sourcing premium fixtures to create stylish and functional spaces.
-
We create and transform beautiful outdoor spaces that elevate your lifestyle whilst adding true value.
We offer a complete service with a lifetime guarantee
How We Work
We prioritise the needs and requirements of every client. We welcome your project ideas and successfully deliver a personalised service. Whether that be a home extension, loft conversion or home refurbishment.
01. Initial Consultation
We begin by understanding your vision, goals, and needs.
02. Design & Planning
Our team creates detailed designs that reflect your requirements.
03. Implementation
With a carefully selected team, we manage every phase.
04. Project Handover
Upon completion, we conduct a thorough review, making sure all details.
Are you interested in starting a new project?
Our Projects
Explore our portfolio of residential projects
Each project was crafted with precision, creativity, and a commitment to exceptional quality. From the design to the hand over phase.
Our clients say
Here’s What Some of Our clients think
0
0
69 reviews
From concept to reality, the team turned my vision into a stunning, livable space. I couldn’t be happier with this!
“Gosai transformed our kitchen and bathroom with outstanding results. The team were professional, hardworking, and finished on time despite extra work. They kept everything spotless, and we couldn’t be happier.”
Melinda Carter 2 Months Ago
“Would recommend Gosai 100%! They delivered a high-quality decking job on a tight deadline with minimal disruption. Jimmy was fantastic — hardworking, tidy, and a pleasure to work with.”
JP A Month Ago
“We’re so pleased with our new kitchen and flooring. The team were friendly, professional, and careful to minimise dust during the project. Shiv kept us updated throughout, and the final result is fantastic.”
Oleg Sinavski 3 Months Ago
Specialist Plumbing, Heating and Boiler Repairs in London.
Certified Engineers
Our Trusted Partners
We are a family run business based in North London. Our team of plumbers and heating and gas engineers are fully qualified and Gas safe registered with years of experience under their tool belts.
straight from the newsroom
Take a look at our latest blog & articles.
Categories Renovations
The Essentials of a Successful Kitchen & Bathroom Renovation Project
Introduction Renovating kitchens and bathrooms can feel daunting, but with the right planning and expertise, it’s one of the most rewarding upgrades you can make. These are the most used…
Categories Loft Conversions
Loft Conversions: Unlocking Hidden Potential in London’s Older Homes
Introduction Space is a luxury in London, and for many homeowners the loft is an untapped opportunity. A loft conversion is one of the most cost-effective ways to add space,…
Categories Kitchens
Luxury Kitchen Trends for 2025: What’s Changing in London Homes
Introduction The kitchen has long been the heart of the home, but in 2025 it’s evolving into something more: a multifunctional hub that blends style, technology, and sustainability. For London…
Categories Extensions
Maximising Natural Light: How Extensions Can Transform Your London Home
Introduction London homes, particularly older terraces and period properties, often struggle with limited natural light. Small windows, narrow plots, and traditional layouts can leave rooms feeling dark and cramped. But…
gallery
