Cornerstone Build by Design

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Cornerstone Build by Design At Cornerstone Build by Design, we pride ourselves on being trusted local builders serving homeowners across Berkshire and Surrey.

Our reputation is built on core values of trust, integrity, transparency and reliability.

Demolition works have begun at this beautiful home in Ascot 🏡✨An exciting refurbishment is underway, with a stunning tra...
16/10/2026

Demolition works have begun at this beautiful home in Ascot 🏡✨

An exciting refurbishment is underway, with a stunning transformation in store. Watch this space!

✨ Meet Jess, our Interior Designer at Cornerstone Build by Design. With a love for timeless interiors, natural materials...
14/10/2026

✨ Meet Jess, our Interior Designer at Cornerstone Build by Design.

With a love for timeless interiors, natural materials and beautiful details, Jess creates welcoming spaces that feel effortlessly like home.

Having first worked with us on her own home renovation, Jess is now bringing her passion for design to our clients — helping them create homes that are as beautiful as they are personal. 🤍

We’re so pleased to have her as part of the team!

A full refurbishment of this gorgeous period apartment in Chelsea ✨From full redecoration and new electrics to a complet...
14/10/2026

A full refurbishment of this gorgeous period apartment in Chelsea ✨

From full redecoration and new electrics to a complete floor sand and seal, this property is getting a beautiful refresh.

We’re especially loving the plant-based, natural paints by in Drab Green 🌿 — giving this shelved wall a fabulous glow-up!

Final photos coming soon… 👀

We cannot wait to get started on this project over in Twickenham. Rear extension with internal refurbishments commencing...
06/10/2026

We cannot wait to get started on this project over in Twickenham.

Rear extension with internal refurbishments commencing next week 🏗️

Refurbishment works are officially underway in Ascot. Before and after progress photos to follow.
06/10/2026

Refurbishment works are officially underway in Ascot.

Before and after progress photos to follow.

Project Progression over in Sunningdale - this transformation is really starting to take shape.The traditional character...
05/10/2026

Project Progression over in Sunningdale - this transformation is really starting to take shape.

The traditional character of the original building is being carefully retained, while the new extension brings together oak framing, reclaimed-style brickwork, heritage windows and beautiful natural light.

Inside, the exposed timber structure and roof lantern are creating an incredible space ready for the next stage.

✨ Bringing a period property back to life ✨As part of a larger home refurbishment project, we transformed this stunning ...
24/09/2026

✨ Bringing a period property back to life ✨

As part of a larger home refurbishment project, we transformed this stunning through lounge, giving the entire room a fresh new look while preserving its original character.

We decorated throughout and carefully sand-sealed the flooring, restoring it to its former beauty and letting the natural character of the floor shine through.

A beautiful transformation that combines timeless period features with a fresh finish.

Small space, big impact ✨A downstairs WC that proves you don’t need a lot of square footage to make a statement. From th...
24/09/2026

Small space, big impact ✨

A downstairs WC that proves you don’t need a lot of square footage to make a statement. From the classic decorative wall panelling paired with a vibrant wallpaper, every element has been designed to feel considered, stylish and inviting.

We’re always incredibly grateful for feedback like this from Jessica Avery, who trusted our team to deliver her home ren...
09/07/2026

We’re always incredibly grateful for feedback like this from Jessica Avery, who trusted our team to deliver her home renovation from start to finish.

From the first conversation to the final finish, our goal is always the same — exceptional craftsmanship, clear communication, and a home our clients love.

Thank you, Jessica, for trusting Cornerstone Build by Design.

⭐️⭐️⭐️⭐️⭐️

Looking to transform your home ? Our partnership with Rob & Sam - enables us to deliver a complete design service to br...
03/07/2026

Looking to transform your home ?

Our partnership with Rob & Sam - enables us to deliver a complete design service to bring your ideas to life.

Our services include:

• Measured Surveys
• Architectural Design
• Structural Design
• Planning Applications
• 3D Clay Model Visualisations
• Interior Design
• Building Regulations Drawings
• Design & Planning Support

Whether you’re planning a home extension, renovation, new build or a small refurbishment, we’re here to guide you through every stage of the process.

Get in touch to discuss your project and see how we can help bring your vision to life.

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Ascot

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