One Call UK | Home Improvement & Renovation in London

Living room media wall with fireplace and lit shelving

7+years building
as one team

About One Call UK

A trusted, insured builder for homes and businesses

We deliver residential and commercial building work across London, specialising in refurbishments and complete property transformations.

Every space we hand over is made to be durable, practical and beautifully finished, and it is tailored to the people who will use it.

Engineers, designers and tradespeople under one roof
Clear communication from first visit to final handover
On time, on budget and backed by our company guarantee

More about us 020 3411 1104

What we do

Five specialisms, one accountable team

Pick a service to see the work. Most projects combine several, and we coordinate them all.

Painting & decorating

Interior finishes

Walls, ceilings, woodwork and feature surfaces prepared properly and finished to last.

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Full renovation

Kitchens

Made-to-measure kitchens that balance good looks, storage and day-to-day practicality.

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Full renovation

Bathrooms

Calm, hard-wearing bathrooms with precise tiling, tidy plumbing and quality fittings.

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Carpentry & flooring

Carpentry

Media walls, fitted furniture, staircases, doors and floors made by skilled joiners.

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Property enhancement

Extensions & lofts

More space without moving: rear extensions, dormer lofts and full property transformations.

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Recent work

Explore our completed projects

Real kitchens, bathrooms, joinery and extensions finished by our team.

Read the case studies

How it works

From first visit to final handover

We visit you
A free, face-to-face consultation at your property to understand the brief and measure up.
Written estimate
A clear scope, price and programme in writing, so you know exactly what is included.
One team builds
A single project manager runs every trade and keeps you updated throughout.
Handover
We snag, clean and hand over a finished space, backed by our company guarantee.

Operated by Hamiltonn Ltd

One accountable team behind every project

Hamiltonn Home Improvement brings the trades a serious project needs into one team, run by one project manager and working to one written programme. Together we refurbish and transform property across London and the Home Counties.

More about Hamiltonn Ltd

Accredited & trusted