Luxury Home Extensions in London.
Add space, style, and value to your London property with bespoke home extensions built by Puzzle Constructions Group.
Expanding London Homes with Precision and Craftsmanship.
Whether you're looking to create an open-plan kitchen, add a new living area, or extend your home's footprint, Puzzle Constructions Group delivers fully tailored extension solutions throughout London. Our in-house team manages every stage — from architectural design and planning permission to construction and final finishes.
We combine creativity, technical excellence, and transparent project management to deliver high-quality results on time and within budget. With decades of experience across London's most desirable postcodes, we understand the unique challenges and opportunities of extending properties in the capital.
Detailed Services We Offer
Our Home Extension services cover every stage of design and construction — from structure to finish. Explore our detailed options below.
Rear & Side Extensions
Transform your home with seamless rear and side extensions that add valuable living space while blending perfectly with the existing architecture.
Kitchen-Dining Extensions
Open up your ground floor with beautifully designed kitchen-dining extensions that combine natural light and modern layouts.
Double-Storey Additions
Add extra bedrooms or office space with multi-level extensions built with precision and structural integrity.
Wrap-Around Extensions
Create impressive open-plan spaces with wrap-around extensions that reimagine the flow and functionality of your home.
Structural Steel & Load-Bearing Works
We manage all structural aspects — including RSJs and foundation reinforcements — ensuring full compliance and long-term stability.
Loft-Connected Extensions
Integrate your loft conversion with ground-floor additions for cohesive vertical expansion and increased property value.
Why Choose Puzzle for Your Home Extension
Planning Expertise
Full support with London borough planning applications and building control compliance.
All Trades Covered
Builders, electricians, plumbers, and decorators — all managed seamlessly in-house.
Quality & Compliance
Work completed to UK Building Regulations and NHBC standards throughout.
Trusted London Reputation
Decades of experience across Hampstead, Kensington, and Richmond.
Our Home Extension Process
Consultation & Site Survey
Understand your goals, inspect structure, and provide detailed quotation.
Design & Planning
Prepare drawings, structural calculations, and handle permissions.
Construction
Foundations, framing, roofing, plumbing, and electrical work.
Finishing & Inspection
Interior finishing, painting, flooring, and compliance certification.
Handover
Walkthrough with client and post-project support.
Recent Home Extension Projects
Home Extension FAQs
Most extensions fall under permitted development rights in London. However, certain projects may require full planning permission — especially in conservation areas or for larger builds. We manage all necessary applications and liaise with your local borough council on your behalf.
Typically 10–16 weeks depending on size, design complexity, and planning permissions required. We provide a detailed timeline during the consultation phase so you know exactly what to expect.
Yes — we plan all works to minimize disruption wherever possible. Most homeowners remain in their property throughout the project. We'll always keep you informed of the schedule and any temporary access restrictions.
Absolutely. Quality home extensions often add significant resale value in London's competitive property market. Kitchen and living space extensions are particularly sought after by buyers.
Costs vary based on size, specification, and complexity. Single-storey rear extensions typically start from £50,000, while larger double-storey or wrap-around extensions can range from £100,000 to £200,000+. We provide detailed, transparent quotes after our initial survey.
Let's Expand Your Home Together.
Get in touch with our London-based specialists for a free consultation and project quote.