About Us – Reltic Extend
Reltic Extend is a London-based company specialising in home extensions – from rear and side return to wrap-around, single-storey, and double-storey builds. We are part of the wider Reltic Group, which brings together expertise in design, construction, cost consultancy, and cutting-edge digital delivery.
Being part of this group means our clients benefit from a strong foundation of experience, transparency, and innovation at every stage of their project.
The Reltic Group
The Reltic family is made up of four specialist branches, each playing a key role in delivering projects with quality and precision:
The design & build division, offering full architectural design services and high-quality construction across London.
Specialists in digital construction (BIM), providing accurate modelling, coordination, and project management throughout the entire lifecycle of a build.
Experts in cost planning, estimating, and quantity surveying, ensuring every project is accurately budgeted and financially efficient.
Building More Than Homes – Building Trust
At Reltic Group, we specialise in creating stunning home extensions that transform the way you live. From stylish rear extensions and practical side extensions to spacious wraparound designs and impressive double-storey builds, our focus is always on quality, transparency, and results that exceed expectations.
With our team guiding you from concept to completion, every detail is carefully considered – so you can feel confident your home is in expert hands.
Our Specialisation
Creating Space That Works for You
At Reltic Extend, we focus exclusively on home extensions. Whether you need more room for family life, a modern kitchen, or simply want to add value to your property, we’re here to bring your ideas to life.
Our goal goes far beyond just adding square footage. Every extension we design and build is created to enhance everyday living, improve the look and feel of your home, and boost its long-term value.
FAQs – Who We Are & How We Can Help
Curious about who we are and how we can help with your project? You’re not alone – many of our clients want to know more about our approach before getting started. To make things clearer, we’ve answered some of the most common questions about our team, the way we work, and how we can support you at every stage of your home extension journey.
Who are Reltic Extend?
We’re a London-based team specialising in high-quality home extensions. From rear extensions to double-storey builds, we help families across North, South, East and West London create more space to live and enjoy.
What makes you different from other companies?
We take a transparent, client-first approach. Whether it’s a side extension in South London or a wraparound extension in East London, you’ll always know the costs, timelines, and progress of your project – no hidden surprises.
How can you help me with my home extension?
We guide you from first ideas to final delivery. Planning a kitchen extension in North London or a rear extension in West London? Our team will make the process smooth and stress-free.
Do you only work on home extensions?
Extensions are our speciality, but as part of the Reltic Group we also deliver refurbishments and bespoke design & build projects throughout London and surrounding areas.
How do you ensure projects run smoothly?
By combining our experience with modern tools, we carefully plan every step. Whether it’s a side return extension in East London or a wraparound extension in North London, we keep you updated with clear communication and regular progress reports.
Why should I choose Reltic Extend?
Because we care about more than just building – we care about creating homes people truly love. With expertise in rear, side and double-storey extensions, we’ve built a trusted reputation across North, South, East and West London for quality, transparency, and client-focused service.
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