// Design & Build

Bespoke, contemporary building services that lighten your life.

Bring light and space into your everyday routine.

Contemporary kitchen with island

From plan, to build, to completion. We create spaces that make your home a vibrant place to live. Spaces to relax, enjoy family life, work and play.

Our design and build projects are inspired by your specific needs and your vision for the home and space that you want to bring to life.

When you look at your home, what would make a difference to the way you live?

Is it to create a new breakfast area to brighten your mornings, open up more space for the kids to grow, or to create new storage space. Explore our range of services to discover the possibilities for your home.

// An Inspiring


A home extension will not only give you the extra space you are looking for, it will also alter the dynamics of the home. Creating an opportunity to reorganise existing rooms to improve the flow and function of all your living spaces.

// A Stylish


A home refurbishment is an opportunity to tap into the full potential of your living environment by enabling the best possible use of space. Our design team will help you create bold upgrades and stylish remodelling to meet your changing needs.

// A Spacious

Loft Conversion

Take advantage of the potential in your roof space by opening it up to a world of light and space. Clever and innovative loft conversions create a whole new canvas for you to rest, work or play

// Did you know?

Making your home energy efficient saves you money, as well as adding value to your home in the long run; Some sources estimate that an eco-friendly house is valued at up to 10% more than a standard home.

Removing an internal wall to create an open-plan living and dining area is one of the most cost-effective ways of boosting the value of your property. It will cost around £3,500 but could add a whopping £48,417 to the value.

Strutt & Parker Estate Agents

Home owners surveyed, were keen to carry out more work to transform homes in the future, with 28% wanting to add a new kitchen, while 6% intend installing home gyms and cinemas. Just 4% hope to add a swimming pool.


Increase your property value and improve your lifestyle.

Renovating your property changes how you feel about the place in which you live. This can be an investment which adds value to your home. Making your home more energy efficient not only helps the planet and saves you money going forward but thinking green is what we describe as “Future Proofing” this will set you on the right path for years to come.

Open plan kitchen extension and bifolding doors
Large open plan extension

We believe that behind every build is a story.

Keystone create a unique individual service experience for each client. We discuss and provide insight into what options will work best for your project, be it a home extension, loft conversion or home refurbishment.

Our value chain starts with the consultation process which seeks to understand: Why you want to change your home, what will you gain, and how you see the end result. We take nothing for granted, it is your home and your story that counts above all else.

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Initial Consultation

From initial consultation through to completion all our building projects must deliver value. There are numerous factors and moving parts that dictate the success of a project outside of time, scope, and budget. We aim to ensure our clients have a clear understanding of all the elements involved in order to make an informed decision to engage our services.

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Design & Planning

The design and planning stage moves ideas and objectives to a concrete course of action. You may or may not have plans and approval for your project, either way design and planning is where inspiration and and imagination come together to help you visualise what you want your home to look and feel like once the project is complete.

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A build project managed by Keystone means that from conception through to completion, everything is managed through a single point of contact. We coordinate all the required professionals from architects and structural engineers, to contractors and building control. Streamlining the process, saving you time and money.

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We pride ourselves in delivering exceptional customer service before, during and after a building project. Aftercare is offered to all clients following successful completion of their project and on-going property maintenance is available as a service to both existing and new customers.

We have the experience and expertise to deliver your project successfully

Designed by Experts

No two building projects are the same, but there are fundamental elements in the design phase that we believe differentiates Keystone’s approach. Architectural expertise and insight coupled with practical advice, top tips and real world case studies enable our clients to achieve their unique design goals.

Built by Professionals

Cutting edge industry knowledge, reliability and attention to detail are the cornerstone on which our business is built. We use these capabilities and mindsets to minimise challenges and disruption in the the build phase. We hold ourselves accountable for delivering a superior professional service from laying the foundation to build completion.

Insurance & Warranties

We are fully covered for professional indemnity, public and product liability in relation to the projects we undertake. Our work is always subject to sign off from local authority accredited building inspectors. We provide written guarantees for building works and products supplied.

Discover the possiblities for your home


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Skylight in loft conversion

Loft Conversions

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Inset bath in luxury bathroom


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