Home Extensions Merton
Extend Your Merton Home the Smarter Way
Merton is one of South West London’s most diverse boroughs, from the period terraces of Wimbledon and Morden to family homes near parks and green spaces. Many of these properties have charm in abundance, but their layouts often reflect another era – smaller kitchens, divided rooms, and little connection to gardens.
At Reltic Extend, we bring new life into local homes with bespoke home extensions in Merton. Whether you’re dreaming of a bright rear extension that opens to the garden, a clever side return extension that transforms wasted space, or a double storey build for growing families, we’ll help you create a home that reflects your lifestyle today and tomorrow.

Ready to Plan Your Merton Extension?
Whether you’re just exploring ideas or ready to get started, our friendly team will support you at every stage – from design and planning to construction and completion.
Why Merton Homeowners Choose Reltic Extend
Extending in Merton comes with unique opportunities and challenges, from conservation areas to council regulations. Here’s why families and professionals across the borough trust us:
Local Knowledge
From Edwardian terraces near Wimbledon to post-war houses in Morden, we understand the quirks of Merton’s housing stock. Our designs respect the original character of your property while introducing modern features like bi-fold doors, open-plan layouts, and energy-efficient glazing.
Planning Expertise
Merton Council’s planning rules can feel complex, especially for properties in conservation zones. Our planning team prepares drawings, applications, and design statements that give your project the best chance of approval without unnecessary delays.
Homes Designed Around You
Every household has its own rhythm. Some need open-plan kitchens for entertaining, others want flexible family spaces, while many simply want more light and flow. We design with your lifestyle in mind, ensuring the extension feels like a natural part of your home.
Clear Budgets from the Start
We value transparency. With our Cost Calculator, you can view an estimate before making decisions. No hidden extras, no surprises.
Confidence Through Digital Previews
Our Design & Build 2.0 process means you’ll see your extension digitally in 3D before building begins. This gives you peace of mind that the final result matches your expectations.
Types of House Extensions in Merton
Every homeowner in Merton has different priorities. Some are looking for stylish kitchen extensions, others want light-filled rear extensions, while families often choose wraparound builds or double storey extensions for long-term value. That’s why we provide a full range of extensions, carefully tailored to your property style, lifestyle, and investment goals.
01.Kitchen Extensions
Gain up to 40% more space with a bright, practical kitchen designed for cooking, dining, and family life.
02.Rear Extensions
Open the back of your home for a light-filled, versatile living area tailored to your family’s lifestyle needs.
03.Side Extensions
Increase width, light, and value while creating extra space for dining, relaxing, or work, all seamlessly integrated.
04.Wraparound Extensions
Maximise unused space on two sides for a stunning open-plan layout with great flow and natural light.
05.Double Storey Extensions
Double your space with extra rooms upstairs and down, boosting comfort, value, and modern living.
06.Planning
We manage all permissions, drawings, and approvals, saving you time, stress, and costly delays in your project.
The Merton Advantage - Adding Value Where It Matters
Merton continues to attract families, professionals, and investors who value excellent transport, great schools, and green spaces. Extending here is not only a way to improve your home – it’s a smart long-term investment.
- Quality extensions in Merton can increase property value by 20–30%.
- Buyers and renters prefer modern layouts, bigger kitchens, and bright, open living spaces.
- Extending avoids the high costs of moving while allowing you to stay in the community you love.
With Reltic Extend, you gain a home extension that improves daily life while building long-term property value.

Experts in bespoke rear, side, wraparound, kitchen, and double-storey extensions across London.
Our Services
Contact Us
- 4th Floor, Silverstream House, 45 Fitzroy St, London W1T 6EB
- 020 3576 2851
- office@relticextend.co.uk



