Transform your garden with Ultraframe's energy-efficient insulated garden rooms—perfect for work, relaxation, or entertaining all year round

Here to help
Looking to transform your outdoor space into a stylish, functional retreat? Discover Ultraframe Insulated Garden Rooms — the perfect solution for creating a year-round haven right in your garden.
Whether you need a peaceful home office, a gym, or a social space, these energy-efficient rooms are designed to impress. With features like super-insulated columns that are five times more thermally efficient than traditional brick piers and a sleek, bold anthracite grey finish, your new garden room will not only be functional but also a beautiful, long-lasting addition to your home.
Choose from stylish designs like The Studio for smaller spaces or The Pavilion for a more spacious vibe — complete with natural light flooded interiors and customisable features. Best of all, the process is hassle-free as planning permission is usually not required. Ready to elevate your home living? Book a free home visit today and turn your garden into a versatile, year-round retreat with ease!
Benefits of an Ultrafram Insulated Garden Room:
- Offer twice the energy-efficiency of other premium Garden Rooms on the market.
- Offer an interior space that is flooded with natural light.
- Require minimal maintenance and won't fade over time.
Planning permission is not usually required for an Ultraframe Garden Room. If you need Planning Permission, we will handle it for you. This way, you can enjoy a smooth and hassle-free experience.
Styles
The two distinct Garden Room styles can be completely tailored with full-length windows, contemporary insulated side panels and large integrated fixed glass rooflights to create a space that is unique to you.
The excellent thermal performance benefits that Garden Rooms by Ultraframe provide, make them the ideal solution for enhanced home living. Your new space can be used as a garden home office, a gym or yoga studio, children's play area, summer house or more!
The Studio:
The Garden Studio is a stylish, contemporary, and compact design, ideal if you need a small room or have a smaller garden. The Studio avoids the need for planning permission even on a boundary, giving you one less thing to worry about. It has a height of 2500mm and is fully fitted with reverse lean-to Livinroof.
If you need a little extra height, for example if you are looking to create a home gym, The Tall Studio's 2900mm height is an ideal option for your new space.
The Pavilion:
The Pavilion is an orangery style Garden Room that provides a more spacious environment than The Studio. This larger style is ideal for a whole host of uses, including a home gym, garden office, children’s play area or a man cave! Enjoy plenty of natural light thanks to the four large integrated shaped fixed rooflights in the Georgian style Livinroof.
You can also opt for The Premium Pavilion, the most luxurious model in the Ultraframe range. The Premium Pavilion offers all the benefits of The Pavilion, with insulated inline columns to provide enhanced thermal performance and style.
Looking for a Garden Room installer in Cheltenham, Gloucester, Hereford or Monmouth? Then here’s why you can feel good about working with Glevum:
- Established in 1984, so have a wealth of knowledge and experience.
- We are a leading Gloucestershire-based supplier and installer of bespoke conservatories, orangeries, and home extensions.
- We are proud to be a preferred supplier of Ultraframe. Being part of their Ultra Installer Scheme shows our commitment to great products and service.
- A 10-year comprehensive guarantee covers our Conservatories.
- Dedicated Service Department.
- Typically, 50% of our work comes from existing customers and recommendations.
- A range of Finance Options available.
A truly professional company, who respected our home, were courteous and helpful when dealing with us.
M. Wear (Gloucester)
Every member of staff we have dealt with provided excellent customer service they were friendly and professional. We are happy to recommend the company.
S. Groves (Swindon)
Excellent service from start to finish. Well explained on the initial home visit and questions answered fully. Easy to make payments and such a professional and pleasant experience. I would recommend to others and would definitely use the company again.
B Rollins (Gloucester)
Glevum Windows and doors are of excellent quality and the fitters, Matt and Dean were both quick, efficient and tidy workers. We found them both friendly and polite. We would not hesitate to recommend the Company and the service they provided.
N Harris (Pershore)
A very personal service; I felt valued as a customer and they listened to what I wanted. Excellent quality of product and service. I decided not to go with a larger well-known brand as they did not provide the same personal service in the quotation stage.
J. Miller (Symonds Yat)
Excellent everyone was professional and yet friendly. I felt all were giving me good service and I felt a valued customer.
D. Morse (Lydney)
Always helpful and courteous whichever department one is speaking with.
Fitters are skilled and careful. Products are not the cheapest on the market but they are of the best quality and extremely good value for money.
R. Savage (Worcester)
Excellent service from start to finish, we had secondary Glazing fitted into our dental practice. Glevum attended when they said they would, completed the job with minimum disturbance to the daily running of the practice, and left their work place clean and tidy. The glazing has made such a difference, staff are much warmer and the radiators have been turned to low.
H. Pugh (Gloucester)
Glevum were prompt in quoting for the work. The order was placed and doors and windows far more quickly than other companies were able. The fitting was completed to a high standard. I'm very happy with the work and product!!
K. Smit (Bristol)
So happy with installation, can really feel the difference in room temperature. Fitters were excellent, very pleasant and left everywhere clean and tidy. Very professional job. Would certainly recommend. Thankyou Glevum.
L. Hollis (Ross-on-Wye)
A truly professional company, who respected our home, were courteous and helpful when dealing with us.
M. Wear (Gloucester)
Excellent service from start to finish. Well explained on the initial home visit and questions answered fully. Easy to make payments and such a professional and pleasant experience. I would recommend to others and would definitely use the company again.
B Rollins (Gloucester)
Every member of staff we have dealt with provided excellent customer service they were friendly and professional. We are happy to recommend the company.
S. Groves (Swindon)
Glevum Windows and doors are of excellent quality and the fitters, Matt and Dean were both quick, efficient and tidy workers. We found them both friendly and polite. We would not hesitate to recommend the Company and the service they provided.
N Harris (Pershore)
A very personal service; I felt valued as a customer and they listened to what I wanted. Excellent quality of product and service. I decided not to go with a larger well-known brand as they did not provide the same personal service in the quotation stage.
J. Miller (Symonds Yat)
Excellent everyone was professional and yet friendly. I felt all were giving me good service and I felt a valued customer.
D. Morse (Lydney)
Always helpful and courteous whichever department one is speaking with.
Fitters are skilled and careful. Products are not the cheapest on the market but they are of the best quality and extremely good value for money.
R. Savage (Worcester)
Excellent service from start to finish, we had secondary Glazing fitted into our dental practice. Glevum attended when they said they would, completed the job with minimum disturbance to the daily running of the practice, and left their work place clean and tidy. The glazing has made such a difference, staff are much warmer and the radiators have been turned to low.
H. Pugh (Gloucester)
Glevum were prompt in quoting for the work. The order was placed and doors and windows far more quickly than other companies were able. The fitting was completed to a high standard. I'm very happy with the work and product!!
K. Smit (Bristol)
So happy with installation, can really feel the difference in room temperature. Fitters were excellent, very pleasant and left everywhere clean and tidy. Very professional job. Would certainly recommend. Thankyou Glevum.
L. Hollis (Ross-on-Wye)