House Extensions

We install house extensions across Blandford, Poole, Bournemouth, Canford Cliffs, Sandbanks, Westbourne, Wimborne, Shaftesbury, Gillingham, Sherborne, Dorchester, Yeovil, and surrounding areas.

House extensions are far and away one of the best investments that homeowners can make. Expanding your home can easily add floor space and value to any property. With the option of our Performance Glass, Livinroof and Ultraroof extensions, you can choose the style that suits your needs. Visit our showrooms in Poole and Blandford to see them for yourself.

House extensions are an incredibly versatile home improvement. They create open, light and welcoming spaces, usable as living rooms, offices or play areas. House extensions are also an ideal way of enhancing an existing space, such as a dining area or kitchen. With our range of doors, windows and styles, you can adapt Newglaze house extensions to suit your home.

how will a house extension enhance your home in dorset

house extensions examples

Key Features

Our house extensions create beautiful, versatile spaces; however, they are also robust, safe and practical. We use high-quality materials, innovative design and useful features.

These ensure that our house extensions offer the best possible security, weatherproofing and thermal efficiency. With Newglaze, you don’t have to compromise on style or performance.

  • Super-insulated columns for energy efficiency and style

  • Insulated, internal pelmet to house speakers and lights

  • Design features that create a cosy, room-like feel

  • Available in a wide range of styles and shapes

  • High-performance glazing to limit solar rays and heat loss

Bespoke House Extensions

We want to help all of our customers to achieve their dream home, no matter what style they have in mind. That is why we can create house extensions is a variety of shapes, including Georgian and Lean-to.

No matter the size or look of your home, we can offer an option to suit you. Our house extensions can be customised from the inside out. Externally, you can choose from a selection of decorative cornices that conceal guttering and add shape to the roofline. You can also choose from a glass, solid or tiled roof.

Inside the room, you can choose to add an insulated pelmet, super-insulated columns and a central lighting panel.

Click to discover the wide range of colours available

High-Performance Glass

Meets Building Regulations

Super-Insulated Columns

Internal Pelmet

Decorative Cornice

Designed to Postcode

British Made

Central Lighting Panel

Plastered, Vaulted Ceiling

Different Shapes Available

Premium Hardware

Choice of Doors

house extensions advantages dorset

House Extension Prices

Our house extensions offer fantastic thermal efficiency. This means they are the perfect place to relax, all year round. With high-performance glass and the option of double or triple glazed windows and doors, there is very little heat loss through glazed areas.

We offer a beautiful collection of house extensions that can be customised to suit the style of your home. Whether you live in a modern new build or a heritage home, we have a house extension for you and your home.

Start your free online quote using our house extension cost calculator and receive your competitive extension price in minutes. Follow the steps and design your dream extension with us today. Alternatively, if you still need help choosing the right extension for your home call us on 01258 483535 for our Blandford Showroom or 01202 744114 for our Poole Showroom.

Quoting Engine



Brighten up your home and expand your living space with one of our stunning conservatories.


Solid Conservatory Roofs

Our solid conservatory roofs give you the best of both worlds. They are a perfect compromise between a solid and a glass roof.


Tiled Conservatory Roofs

Our fantastic tiled conservatory roofs are the perfect replacement for leaky, draughty or underperforming roofs.



Add a touch of class to your home with our range of stunning orangeries.


Fascias, Soffits and Guttering

Protect your home with our stylish and durable range of fascias, soffits and guttering.


Trade Supply Service

Reliable service, competitive prices and quality products are just three reasons why our Trade Supply Service is beyond compare.

Start A Quote


Finance Options Available

Start My Quote Visit Our Showroom