Oxfordshire’s Trusted Construction Experts

Keystone Construction & Renovations delivers exceptional craftsmanship and a seamless service you can rely on. With over 50 years experience, our friendly, skilled team transforms houses into homes built to last.

Our Services

Living room with large skylights, glass sliding doors, and indoor plants, with text overlay reading 'Extensions & Renovations'.
Construction site with a house being built, wooden framework, scaffolding, and a sunset in the background.
Modern house with a backyard patio area, surrounded by lush green trees and grass, featuring a custom landscaping and groundwork with a concrete path and wooden deck.
Bespoke Carpentry built-in wardrobe with shelves, drawers, and hanging rods.
Keystone logo featuring a stylized arch and the word "KEYSTONE" beneath it.

About keystone

At Keystone Construction & Renovations Ltd, we bring over 50 years of combined experience to every project we deliver. With backgrounds spanning brickwork, carpentry, groundworks, and full property transformations, our directors have the expertise and craftsmanship to take on projects of any size and complexity.

Based in Oxfordshire, we pride ourselves on being a trusted, friendly, and professional team that homeowners can rely on. From bespoke extensions and complete renovations to new builds and landscaping, our work is built on quality, precision, and lasting results.

A house with a illuminated modern interior visible through large glass windows at night, featuring a dining area and kitchen, with a brick exterior and small lights outside.

Contact Us

If you’re looking for a reliable team to handle your extension, renovation, new build, or landscaping project, you’ve come to the right place. At Keystone Construction & Renovations, we combine decades of experience with quality craftsmanship to create homes and spaces you’ll love.

Fill out the form and we’ll be in touch to discuss booking a free consultation visit.