Castle Builders helps homeowners across Warrington and Cheshire add space, improve layouts, and build new homes to a standard they are proud to live with.
Services
From house extensions to custom new builds, Castle Builders covers every stage with in-house tradespeople and clear project management.
Single-storey and two-storey extensions, side returns, and wraparound additions. We handle all planning applications and building regulations.
Complete home renovations from strip-out to finishing. Structural alterations, rewiring, plumbing, plastering, flooring, kitchens, and bathrooms.
Open-plan kitchens with islands, bespoke cabinetry, stone worktops, and integrated appliances. Full design and fit under one roof.
Projects
A Pro site gives visitors enough detail to understand the quality and scope of work before they make contact.
A rear single-storey extension with bi-fold doors opening to the garden. Added 35 sq m of open living space with a seamless indoor-outdoor flow. Completed in 10 weeks.
A rear dormer loft conversion adding a master bedroom with ensuite bathroom and built-in storage. Completed in 8 weeks.
A 1930s semi taken back to brick and fully renovated with new wiring, plumbing, plastering, flooring, kitchen, and bathrooms. Modern throughout.
Reviews
The Pro package includes a dedicated reviews page when customer reviews are supplied or display permission is given.
“Castle Builders kept us informed every week and the extension was finished exactly how we wanted it. Tidy job site, clear price, no drama from start to finish.”
“Our loft conversion has completely changed the house. The workmanship is excellent and the team were respectful from start to finish. Highly recommend.”
“We used Castle Builders for a full renovation. They explained everything clearly and the end result feels like a new home. The project management was spot on.”
Blog & News
The Pro package includes a blog or news section for sharing project updates, building guides, and company news.
A practical guide to Warrington planning permission, permitted development, and what to expect from your builder in 2026.
Read moreWe compare the costs, disruption, and return on investment for kitchen refits versus full house renovations.
Read moreFrom surveys to electrical panels, here are the things that catch homeowners out and how to avoid them.
Read moreContact
Send us the basics and we will talk through the best route before quoting. Free initial consultation, fixed-price contracts, and weekly updates.