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About

Stay Steel is a premier Structural Engineering practice based in London, offering a comprehensive range of residential architecture and engineering services at competitive and transparent fixed prices.

What sets us apart is our team of in-house engineers who not only oversee your project but also provide essential structural calculations, streamlining the entire design and build workflow. Unlike traditional architectural practices that often charge 7–10% of the build cost, exclude structural engineering services, and leave builders without crucial design support, Stay Steel does it all – without percentage-based fees.

With our fixed-price model, we eliminate surprises, improve efficiency, and prioritize your satisfaction. From design to construction, including assisting builders with any design-related questions, we’re with you every step of the way.

At Stay Steel, we don’t just care about your project – we care about you. Choose us for a smarter, faster, and more cost-effective approach to your home renovation or extension.

Modern Architecture

Vision

Our vision is to make renovating, extending, or converting homes both affordable and accessible, ensuring every client experiences a smooth, stress-free, and enjoyable journey from start to finish.

We aspire to lead the industry in integrating sustainability into every project, promoting eco-friendly practices, and reducing carbon emissions. By aligning innovation with environmental responsibility, we aim to create homes that are not only functional and beautiful but also contribute to a greener future.

At Stay Steel, we’re building more than structures – we’re building a better, more sustainable world for our clients and the planet.

Modern Architecture

Mission

At Stay Steel, our mission is to redefine the standards of structural engineering and architectural services by prioritizing transparency, efficiency, and sustainability. We are dedicated to providing a fixed-price approach – taking 0% of the build cost – to ensure our clients receive exceptional value without compromise.

We go beyond the technical aspects, offering unwavering support throughout the entire process. Our open communication policy ensures we’re always available – for clients, their builders, and any third parties – fostering seamless collaboration and a stress-free experience.

We are also deeply committed to protecting the environment. By integrating sustainable practices, reducing carbon emissions, and promoting eco-friendly designs, we strive to create structures that are not only functional but also environmentally responsible.

With Stay Steel, your vision aligns with a greener, more efficient future, where innovation meets care for both our clients and the planet.

Modern Design Architecture

© 2026 by STAY STEEL.

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Founded by fully qualified structural engineers, STAY STEEL brings nearly three decades of combined experience in the construction industry. The company has established a strong reputation for delivering precise, efficient, and high-quality solutions across structural engineering, surveying, and architectural services.

CONTACT DETAILS

07375838322

Main Office (London)

128 City Road,

London, 
EC1V 2NX

Bromley Office

COMING SOON

Watford Office (Hertfordshire)

Oak House,

Central Park,

Reeds Crescent,

Watford,

WD24 4QP

Oxford Office

Prama House,

267 Banbury Road,

Oxford,

OX2 7HT

Cambridge Office

Future Business Centre,

Cambridge Campus,

Kings Hedges Road,

Cambridge,

CB4 2HY

Reading Office

Quadrant House,

Broad St. Mall,

Reading,

RG1 7QE

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