Extensions
A well designed and built extension provides you with extra living space that blends seamlessly into your house and directly increases its value.
We have all the necessary skills and experience required to handle your project from start to finish. From just one call we will coordinate the whole project and provide all services you need. From concept and design to planning permission and installation we provide a complete service.
With Keystone you can be confident that your conversion will be installed by a qualified and highly skilled work force, who will carry out the work quickly and efficiently with the minimum disturbance and inconvenience.
