House Extensions
Find a Which? Approved Conservatory Installer

House Extensions

Open up your living space.

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Modular Extensions
Find a Which? Approved Conservatory Installer

Orangery Extensions

More Space, More Light, More Style

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Find Your Local Approved Installer

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Simply submit this form and we’ll pass your details to up to 3 local approved installers who may be in touch should you require a no obligation quote.


How about a bespoke house extension that’s also a dining room? Would you like a breath-taking kitchen orangery extension instead? Whatever your reason for needing more space, Ultraframe has it covered. Our thermally efficient and regulation-approved components are precision engineered off-site for a quick, fuss-free and elegant modular extension that’s warm, welcoming and flooded with light all year round.

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House Extensions: A Great Investment

Recent surveys reveal that conservatories and house extensions are some of the most rewarding home investments you can make, based on the percentage return on your investment. Right from day one, it will possess impressive strength and solidity, adding a stylish new room to your home.

Whatever your preferences, our market-leading products will measure up to your expectations. They combine elements of light and warmth with the solidity of corner columns possessing real inner core strength, plus internal plastered walls and ceilings, to create a ‘real room’ feel.

Solid Roof Conservatory Prices
House Extension With Tiled Consevatory Roof

House Extension Design Options

Super-Insulated Columns

By using only the finest quality materials on the internal specification, our house extensions possess an inner strength and solidity. Super- insulated full height columns –feature additional steelwork and are anchored to the foundations for absolute structural integrity, making it a highly robust addition.

The super-insulated columns achieve impressive heat retention with a core of Styropor carbon-enriched EPS, giving you exceptional insulation performance and strength throughout our house extensions.

These columns will reward you with thermal efficiency levels five times higher than brick columns of the same size. They can also be integrated with all of our roofs to allow lights and speakers to be added.

Insulated Pelmet

Your bespoke house extension will look and feel like a natural continuation of your home. The insulated pelmet included will be filled with mineral wool insulation, creating a space that’s warm and comfortable.

The insulated pelmet is internally plastered to make it feel like any other room in your home. In many cases, a central lighting panel can be added, into which can be fitted speakers and different types of lighting.

House Extensions Gallery

View our gallery of beautiful house extension projects

Build Your Extension in Five Easy Steps

Ultraframe house extensions are designed to minimise disruption caused by planning or building regulations.

Create the bespoke house extension you’ve always dreamt of by contacting a local Ultraframe stockist who will provide:

  • Survey. Your local specialist company will complete a survey at no cost to you and provide guidance concerning your extension’s design.
  • Design & Price. Your chosen Installer will work with you to create a design that’s perfect by sharing images and brochures; they’ll then create a specification and provide a quote.
  • Itinerary. Once you’re happy with the design of your house extension and cost, your Installer Manufacturing. The components used to build your extension will be precision engineered at our manufacturing site and assembled with minimal fuss and mess at your home.
  • Building and Completion. The expert team will quickly install your new extension, treating your home with the respect and minimum mess. Ultraframe’s products are pre-approved to meet building regulations, so there is less red tape!
  • Enjoy. Living in your warm, bright, thermally efficient space.

Help & Advice

6th May 2013
Difference Between Conservatories and Extensions

Wondering what the difference between a conservatory and extension is? Look no further.

Conservatory Clinic
22nd August 2014
How Does the Thermally Efficient Extension's Internal Heater Work?

Find out how to choose the right internal heater for your house extension.

Thermal Efficiency
21st February 2014
What Are the Differences Between Our House Extensions?

Explore our range of high-performing house extensions to find out which design best suits your home.

Find Your Nearest Approved House Extensions Installer

Securing the perfect house extension for your home is made easy with our network of Ultra Installers. Before we approve them, all of our Ultraframe specialists are vetted and assessed for their competency, professionalism, reliability, efficiency and promptness.

Find your nearest Approved Ultra Installer by using our search tool. You'll benefit from market-leading products, installed by professionals. We heavily invest in the research and development of our home improvement solutions to ensure you get the very best for your property.

Find a Which? Approved Installer

Find a Trusted

We'll put you in touch with your nearest Approved Ultra Installer, who has been tested and assessed for their competency.

modern conservatories UK

Still Looking for Inspiration?

Check out our beautiful gallery of extensions

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