Premium London Builders | Expert Extensions & Renovations
Project-managed building works across Greater London — clear timelines, quality finishes, and all trades coordinated in-house.
Public liability insured • Clear written scopes • Project-managed builds
See Recent Projects ↓Your Trusted London Construction Experts.
At Puzzle Constructions Group, we bring decades of combined experience to deliver exceptional construction and renovation services across London. Our team handles every stage — design, planning, build, and finish — ensuring precision and transparency in every project. Whether it's a bespoke kitchen, a modern loft conversion, or a full home transformation, we turn your ideas into reality with craftsmanship, reliability, and attention to detail. From initial consultation to final handover, we are committed to exceeding expectations and building lasting relationships with our clients.
About Us
Building London Homes
Comprehensive Building Services
Loft Conversions
Transform unused loft space into bright, modern living areas. Puzzle designs and builds bespoke loft conversions tailored to London's architectural standards.
Home Extensions
Expand your living space with contemporary home extensions that blend seamlessly with your property's original design. We manage the entire process from planning to completion.
Full Refurbishments
From structural work to interior finishes, we deliver complete refurbishments that elevate your home's style, functionality, and value.
Bathrooms
Luxury bathroom design and installation, featuring high-end fixtures and flawless tiling.
Kitchens & Joinery
Bespoke kitchens and custom joinery tailored to your lifestyle and property's character.
Roofing & Structural
Expert roofing and structural alterations to ensure the stability and longevity of your home.
Why London Homeowners Choose Puzzle
Dedicated Project Manager
One point of contact from start to finish — no chasing subcontractors.
Clear Timelines
Realistic schedules with regular progress updates throughout your build.
Clean Site Practices
We protect your home — dust sheets, daily tidy-ups, minimal disruption.
Proactive Communication
Weekly updates, quick responses, and no surprises on your project.
Our Proven Process
Consultation
We continually value your input, starting with a comprehensive site survey and detailed discussion of your vision.
Design & Planning
Our architects and designers create bespoke plans, handling all planning permissions and structural calculations.
Construction
Our in-house team of skilled tradesmen bring the design to life, ensuring exceptional quality and minimal disruption.
Handover
We ensure a seamless delivery with a full walkthrough, certifications, and our post-completion guarantee.
Recent London Projects
Explore some of our latest home transformations across Greater London.
Hampstead Kitchen Extension
Seamlessly blending traditional architecture with a modern rear glass extension.
View Project
Islington Full Refurbishment
A complete townhouse renovation including kitchen, bathrooms, and loft rework.
View Project
Clapham Loft Conversion
Stylish dormer loft conversion with en-suite, custom joinery, and skylights.
View ProjectWhat Our Clients Say
★★★★★ Trusted by homeowners across London
Proudly Serving Greater London
Central & North
- Kensington & Chelsea
- Westminster
- Islington
- Hampstead
- Camden
South & West
- Clapham
- Battersea
- Wandsworth
- Richmond
- Fulham
East & Surrounding
- Canary Wharf
- Hackney
- Greenwich
- Barnet
- Croydon
Frequently Asked Questions
It depends on the scope of your project. Permitted Development rights cover many extensions, but we will assess your specific property and handle all necessary applications.
A typical rear extension takes 10-14 weeks, depending on complexity. We provide a detailed timeline before starting work.
Yes, we are a full-service company. Our in-house team includes architects, electricians, plumbers, carpenters, and decorators.
Absolutely. We hold comprehensive Public Liability and Employers' Liability insurance for your peace of mind.
Ready to Build Your Dream Home?
Request a free, no-obligation consultation with our London construction specialists today.
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