Reltic are specialists in delivering high-end home extensions, loft conversions, and basement renovations across London. Our foundation is a unique Design & Build process powered by Building Information Modelling (BIM). This allows us to offer a turnkey service with unparalleled precision, cost-certainty, and client communication.

Unrivalled Design Precision

24/7 Client Portal Access

Immersive 3D Walkthroughs

A Fixed-Price Guarantee

Project Completed

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Design Drawing

Design Award

Project Running

RUNNING

See your home in 3D before we build

Before any design or construction work begins, we start with a detailed digital survey of your property. Using advanced scanning tools, we capture accurate measurements and convert them into a precise 3D model – known as Scan to BIM.

This process allows you to:

Explore Our Virtual Tours

Our 3D scanning technology doesn’t just support design and construction – it also creates stunning virtual tours. Whether you’re planning, promoting or presenting a space, we deliver high-resolution digital walkthroughs straight from the same scan used for your BIM model.

GALLERY

PROJECT GALLERY

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" Working with Reltic BIM was an absolute pleasure from start to finish. Their professionalism, clear communication, and forward-thinking use of BIM technology truly set them apart from other firms we've worked with in the past. "

Jake Williamson

" We recently used Reltic for loft conversion and they were extremely throughout and we would recommend them highly to anyone else looking for an honest, reliable and hard working team to transform their loft. "

David Klane

" I have taken Reltic's services twice in recent times. They have very professional service, provide a detailed report and excellent customer service. All my queries and calls were answered quickly. Highly recommended. "

James Patterson

" Working with Adrian is always a pleasure, and I won't ever use another estimator. Each task was completed quickly and precisely. always outperforms bids and prices from competitors. Highly recommended! "

Rob Durham

" Professional individuals. They give exactly what they promise because they are skilled at what they do. You can trust these individuals with all of your work, as they are incredibly dependable and polite, in my opinion. "

Sara Brown

LATEST

LATEST BLOGS

01

2 lipca, 2025

A Guide to High-End Victorian House Refurbishment in London

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02

30 czerwca, 2025

Beyond the White Box: A Guide to Planning a High-End Property Refurbishment in London

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03

28 czerwca, 2025

The London Basement Battle: A 2025 Guide to Getting Planning Permission

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The talent at Mrittik runs wide and deep. Across many markets, geographies and typologies, our team members are some of the finest professionals in the industry.. We’ve grouped our work into five categories: places, venues, spaces, experiences and events.