We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

Endorsed by



Trusted Traders

Approved Service
Ultra Installer

Sherborne Ltd - An Ultra Installer

Which? Trusted Traders Logo

What is an Approved Service endorsement?

Retailers apply to have the services they provide assessed and endorsed by Which? Trusted Traders. In the ‘Approved Service’ ribbon endorsement logo you can see exactly which services we have assessed for a retailer. As an example services may include installation, design or fitting.


Ultra Installers are assessed by both Which? Trusted Traders and Ultraframe for quality conservatories, orangeries, extension and replacement roofs. members must abide to a code of practice covering Workmanship, Compliance and Consumer.

Ultraframe is the leading name in conservatories, orangeries extension and replacement roofs who specialise in quality products and have been designing and manufacturing roofing systems in Britain for over 30 years. All Ultra Installers use high quality Ultraframe roofing systems and have the products, the experience and the expertise you need to create an elegant, warm bright new space for your home. When choosing an Ultra Installer you’ll find high quality customer service and a ‘one stop shop’ approach to project management that makes the whole process simple, easy and quick.

What we do

  • Conservatories

  • Roofers

    • Roof and skylights
  • Doors

    • Bi-fold doors
    • Patio doors
    • French doors
    • Orangeries
  • Builders

    • Extensions
    • Conservatories
  • More Services

    • lantern roofs
    • conservatory roof replacement
    • glazed extension

Customer reviews

2 reviews
Customer Service
Sort by
Sherborne Ltd - Great doors and unbeatable service!
Customer Service
I needed to buy a new and door frame with glass side panel and decided to visit Sherborne Ltd as I knew they had a good reputation. The sales specialist I spoke to was extremely helpful and guided me through the options. I required a larger door than normal and wanted a very specific colour. I received a lot of help regarding the colour so when I returned with my husband to finalise the decisions everything went very smoothly. I was kept up to date on the timescales for delivery and fitting which was important as we wanted the new door in place before Christmas. But I felt confident that Sherborne Ltd would make this happen. The door fitters arrived on time and removed my old door and its frame and quickly began installing the new frame. It was obvious from the moment they commenced work that they were quality tradesmen. I was told exactly how the process would be carried out and how long it would take and the job was done exactly as had been described. Everything was carefully measured and checked as the installation proceeded. I was consulted at all the major milestones which means the door furniture is exactly in the position I want. The tradesmen guided me through the locking process, the door maintenance requirements advising on products to use and also gave me touch up paint. The guarantee was explained well and I had a list of contact numbers in case I had any questions following the installation. The tradesmen were extremely tidy and left absolutely no mess. Later in the same day the tradesmen's supervisor called on me to check the installation and to ensure that I was happy with the work. My overall experience with Sherborne Ltd was fantastic. All of the representatives from the company were knowledgeable, polite and helpful. The aftercare is the best I have ever received. I felt well supported through the entire process. I have a wonderful door and I could not be happier with my decision to use Sherborne Ltd. I have recommended Sherborne Ltd to my friends and family and would do so to anyone.
Which? Trusted Traders Consumer01/12/2017
Local Company goes the extra mile
Customer Service
I have had 2 projects carried out by our local double glazing company Sherborne Ltd, the first a large rear aspect conservatory built and completed in 2015. A second smaller project was completed more recently; it involved the design and fitting of a porch along the wall adjacent to the side entrance to my property. For the first project, after the groundwork was completed I was away travelling for the entire period of the build. From the concept and design and subsequent build I was professionally advised how to achieve the best outcome for the conservatory. Throughout the build Andy Long the Operations Director for Sherbornes personally kept me updated on a weekly basis , this update was in the form of a simple report which was accompanied with photographs clearly showing the progress being made. I left on my travels with the groundwork being carried out and returned to a fully completed conservatory. All necessary and agreed work including insulation, electrics, heating, lighting and fan fitting, tiling and decorations satisfactorily completed. The work was finished to a very high standard, it was without doubt a stress free and rewarding experience. We were so satisfied with the conservatory build that we had absolutely no hesitation in using them to design and build our side porch. There are very few occasions in my experience when, as a recipient of a service provided by tradesman, that as a customer you can say that your expectations have been fully met, using Sherbornes to carry out my work proved to be one of the soundest and best decisions I have ever made. I would most certainly recommend them to all of my friends.
Which? Trusted Traders Consumer15/03/2015