Design-Led Renovations, Extensions & New Builds

Design that delivers, from concept to completion.

A family-led design and build company specialising in complex residential projects across Penarth, Cardiff and South Wales.

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At Thomas Ivy Developments, design is not an add-on. It leads every project. With a professional interior designer shaping the vision and a chartered project manager overseeing delivery, we take responsibility from early design through to completion.

This integrated approach ensures design intent is carried through every stage of construction, delivering clarity, quality and consistency. Without the compromises that often occur when design and build are separated.

Full House Renovations I Extensions & Reconfiguration I New Builds I Heritage & Period Buildings

Current Project
A comprehensive renovation of a period property, involving full structural reconfiguration, a large rear extension, breathable construction methods and specialist trades. All delivered with full project management.

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Considering a large-scale renovation or build?

We work with clients who value thoughtful design, professional delivery and a stress-free process.

Based in Penarth, working across The Vale, Cardiff and South Wales.

How we work

Current Project A comprehensive renovation of a period property, involving full structural reconfiguration, a large rear extension, breathable construction methods and specialist trades. All delivered with full project management.

Considering a large-scale renovation or build?

Current Project
A comprehensive renovation of a period property, involving full structural reconfiguration, a large rear extension, breathable construction methods and specialist trades. All delivered with full project management.