We build for
success
ABOUT HORIZON ONE
Building London’s future on decades of expertise
Horizon One is a Central‑London construction specialist founded in 2024 by Paul Dunphy—an industry veteran with 35 years of experience managing landmark projects including the Royal Ballet School, the British Library, Gordon Ramsay restaurants and Amazon warehouses. After a career delivering complex builds for others, Paul launched Horizon One to bring the same calibre of craftsmanship and project discipline to clients who value reliability, precision and a personal touch.
We build for the future
From fast‑turnaround commercial maintenance to full‑scale refurbishments and structural alterations, we deliver every trade under one roof:
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Commercial & residential refurbishments
-
Planned and reactive commercial maintenance
-
Structural work & carpentry
-
Certified electrics, gas & plumbing
-
Painting, decorating & finishing
Because our in‑house team is supported by a trusted network of qualified specialists, we can take responsibility for the entire lifecycle of a project—design brief to hand‑over—without compromise.
Our Values
Professionalism
Respect every client,
colleague and property.
Attention to Detail
Small details make great buildings.
Responsiveness
Act quickly, communicate clearly.
Quality First
Build once, build right.
We build for people
WHAT WE DO
From fast‑turnaround commercial maintenance to full‑scale refurbishments and structural alterations, we deliver every trade under one roof:
-
Commercial & residential refurbishments
-
Planned and reactive commercial maintenance
-
Structural work & carpentry
-
Certified electrics, gas & plumbing
-
Painting, decorating & finishing
Because our in‑house team is supported by a trusted network of qualified specialists, we can take responsibility for the entire lifecycle of a project—design brief to hand‑over—without compromise.
We build for people
WHAT WE DO
From fast‑turnaround commercial maintenance to full‑scale refurbishments and structural alterations, we deliver every trade under one roof:
-
Commercial & residential refurbishments
-
Planned and reactive commercial maintenance
-
Structural work & carpentry
-
Certified electrics, gas & plumbing
-
Painting, decorating & finishing
Because our in‑house team is supported by a trusted network of qualified specialists, we can take responsibility for the entire lifecycle of a project—design brief to hand‑over—without compromise.
We build for people
HOW WE ARE DIFFERENT
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Experience that shows
Three decades on Britain’s most exacting sites have taught us how to anticipate challenges before they cost time or money. -
Full project management
Clear programmes, single‑point accountability and proactive communication mean less stress for our clients and smoother builds for everyone on site. -
Responsive & flexible
Tight deadlines, occupied buildings or out‑of‑hours work—we adapt so your business or home life can carry on. -
Quality without corners cut
We insist on reputable suppliers, manufacturer‑backed warranties and rigorous snag‑free sign‑off to protect your investment long after we leave.
What our site offers
Explore our services, book a callback or request a tailored quote through the online form. Our blog shares practical insights on maintenance, refurbishments and construction best practices, while our downloadable guides help you plan budgets and timelines with confidence.
Whether you’re refreshing a single office floor or re‑imagining a period townhouse, Horizon One delivers large‑project rigour with small‑company care. Let’s build something exceptional together.