Home >> Design and Build


Your David Salisbury extension has to be right. It should suit your home and your lifestyle. Most of all, it should make you happy. We will make certain that the design of your orangery, garden room or conservatory is uniquely you

To achieve this, we offer a design and build process that is unrivalled among our competitors. What we have to offer is outlined here.

Karen & Rudy

Designer Directory

Look at the varied backgrounds of our of designers. All are dedicated to creating the best designs for you and your home.

choosing a colour

Design Consultation

We begin by sending one of our designers to hear your ideas and take inspiration from the architecture and your lifestyle.

Bristol Planning Offices with David Salisbury Conservatory

Planning & Survey

Our Experts handle your planning and or listed building application and a survey is conducted to ensure accuracy.


Technical Details

A gateway to more in-depth information and technical details for timber glazed extensions.

finishing window sanding


It usually takes between ten and twenty working days to individually make every timber item in our factory.

site management

Contract Management

One of our Regional Contracts Managers will oversee your installation, in co-ordination with our installers on site

water colour presentation

Next Steps

We produce concept drawings to help you see your ideas, and you are invited to visit our factory or one of our clients.

beautiful wooden table

Interior Design

Once your extension is finished, you need ensure that to that the interior does justice to the quality of the building

strawberries and cream outside the orangery

After Care

We will continue to look after you through your guarantee and provide advice on the best way to maintain your new extension.

Within these sections above, we have assembled a wide-ranging technical resource for you to use at your leisure and convenience. These resources reflect a contribution from each department that makes up our industry leading expert team.
From a directory of our sales designers, who cover the whole of the country and provide a complimentary design consultation, through to a comprehensive series of technical details such as building regulations and working with Listed Buildings, a particular area of our expertise.
If you would like to know more about our glass and glazing specifications, this section is for you. Whilst the quality and specification of our joinery is also covered in detail on this page, there is no substitute for seeing our product in person. If you’re seriously considering an orangery or oak extension, then we invite you to visit our factory in Somerset and see more of how we make our award-winning structures.  We can also usually arrange for you to visit one of our existing customers so you can see how our product is being used on an everyday basis.
If London is more convenient for you to travel to, we have an extensive showroom on Sydney Street at the well-known Chelsea Gardener.  Open 7 days a week, come and join us for a coffee and a look at our traditional orangery and contrasting modern garden room.