New homes, extensions and renovations for modern living
Celtic designs and builds high-quality domestic projects for homeowners, from new houses and substantial home extensions to thoughtful renovations of existing properties.
We can take a project from early design and permissions through to completion and finishing, coordinating trusted craftspeople, suppliers and designers to deliver a smooth, well-managed build.
What We Deliver
New Builds
High-quality new homes delivered from groundworks through to final finishes.
Extensions
Large-scale extensions and reconfigurations that add space, improve flow and raise long-term value.
Renovations & Refurbishments
Full-property upgrades, structural alterations and modernisation for older or outdated homes.
Find out what makes Celtic Different
Request a no-obligation quote tailored to your project.
New Builds
We are best suited to full new-build schemes where careful planning, clear coordination and consistent workmanship are needed from start to finish.
This includes larger single-dwelling properties and multi-unit residential developments where we can manage the process properly, maintain quality throughout, and keep the build moving efficiently.
Turnkey new-build projects, from groundworks and structure through to internal finishes and final handover
Large single homes and multi-unit developments where scale and coordination matter
Well-defined schemes with clear drawings, specifications and client requirements
Sites with suitable access and space for safe logistics, deliveries and efficient sequencing
Extensions
We take on substantial extension projects that do more than simply add a room. These are often major upgrades to the way a home works, improving layout, increasing footprint and tying new and existing spaces together properly.
Our ideal extension projects are those where structure, detailing and project management are critical, whether that means a large rear extension, a multi-storey addition or a full-house reconfiguration built around new living spaces.
Large single-storey and multi-storey extensions with full structural integration
Whole-house reconfigurations combining extension works with major internal remodelling
Loft, garage and side-return extensions delivered as one coordinated project
Architect-designed or high-spec extensions where finish and detailing are a priority
Renovations & Refurbishments
We modernise layouts, upgrade services and improve the comfort, efficiency and performance of existing homes.
From full strip-outs and internal reconfiguration to sympathetic upgrades of older properties, we help clients create homes that work better for modern life without losing their character.
Whole-house renovations with strip-outs, structural changes and complete modernisation
High-spec kitchen and bathroom transformations as part of wider property upgrades
Period property refurbishments that preserve character while improving performance
Full internal refurbishments including heating, electrics, flooring, plastering, windows and decoration
How We Work with Homeowners
Early involvement from design development and permissions through to build
Clear programming, budgeting and communication throughout the job
Trusted trades and specialists coordinated under one team
Careful management of quality, safety and finishing details
Example Project:
Shop Cottage
A contemporary two-storey extension with generous glazing to maximise natural light and strengthen the connection to the garden.
The new work brings a more open, modern layout to the property while respecting the character of the original cottage, creating a home that feels both distinctive and well-balanced.
Domestic Projects
Visit our projects page to see more.