House Extensions Hampstead
Bringing Space, Light and Value to Hampstead Homes
If you live in Hampstead, you already know the charm of the area – leafy streets, period homes, and a strong community feel. But with growing families and modern lifestyles, many homeowners find their current space no longer meets their needs. That’s where Reltic Extend comes in.
We specialise in house extensions in Hampstead, helping you transform your property into a home that works perfectly for you. From elegant rear extensions that open into the garden to stylish kitchen extensions designed for entertaining, we create spaces that blend seamlessly with your existing home.
Whether you live in a Victorian terrace, a Georgian villa, or a modern townhouse, our team delivers extensions that complement Hampstead’s unique character while providing the comfort and practicality of modern living.

Contact Us – Start Your Hampstead Project Today
Your Hampstead home deserves more than a standard extension – it deserves a design that reflects its heritage and your lifestyle.
Why Choose Reltic Extend in Hampstead?
At Reltic Extend, we don’t just build extensions – we create homes that fit your lifestyle. An extension is about more than just extra space; it’s about how you want to live day to day. We take the time to understand your home, your family, and your vision so that the finished result feels natural and effortless.
Here’s why Hampstead homeowners trust us:
Expertise in Period Homes
We design and build side-return and wraparound extensions that respect the architecture of Hampstead’s historic houses.
Planning Knowledge
With conservation areas and strict planning rules, building in Hampstead can be complex. Our planning service makes the process smooth, from applications to approvals.
Transparent Costs
Use our cost calculator for a quick, accurate estimate based on your home and extension type.
Design & Build 2.0
We use modern digital design tools, allowing you to visualise your extension before construction begins.
Trusted Local Experience
From Hampstead Heath to Belsize Park, we’ve worked on projects across NW3, ensuring each home gets the right solution.
Types of House Extensions in Hampstead
Every family is different – which is why we offer a wide range of extension options tailored to Hampstead’s homes and lifestyles. Some households want open-plan living for family gatherings, while others need extra bedrooms or quiet office space. Whatever your needs, we’ll design an extension that works beautifully for you.
Transparent Costs
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 Hampstead Advantage – Value That Lasts
Hampstead is one of London’s most desirable postcodes. By investing in a well-designed extension, you’re not only improving your lifestyle but also adding significant value to your property.
A thoughtful extension can increase your home’s worth by 20–30%, making it one of the best long-term investments for Hampstead homeowners. And with our expertise, you’ll get a design that respects the area’s unique heritage while enhancing modern living.
Preserve the Home You Love
Many people fall in love with Hampstead’s charm and don’t want to move away. An extension means you can stay in your current home while adapting it to modern needs.
Boost Your Property Value
Homes in Hampstead are some of the most desirable in the capital. A high-quality extension can add significant value and appeal to future buyers.
Tailored to Your Lifestyle
Whether you need a home office, a bigger kitchen, or extra bedrooms, an extension allows you to shape your home around your family’s routines.
Respect Local Character
Extensions designed with care can enhance your property without losing the period features that make Hampstead so special.
Future-Proof Your Home
By extending now, you’re preparing your home for the years ahead – giving your family more space to grow and ensuring long-term comfort.

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



