All our windows are energy rated, internally beaded and incorporate an insurance rated multi-point locking system.


All our doors are reinforced (including door panels) incorporating a multi-point insurance rated hook locking system and come in a wide range of colours and styles.


Available in a wide range of styles, incorporating either polycarbonate or glass roofs and built to keep the heat in during the winter and the heat out in the summer.


If you want an extension that really adds character to your home and gets the neighbours talking then one of our orangeries will really impress.

Sales Advice

All our products are manufactured and installed from start to finish using our own highly experienced tradesman, no sub contractors! To speak to a customer sales advisor about planning your project please contact us on 01642 455133 or FREEPHONE 0808 155 1872.

Opening Times

Monday-Friday: 8AM to 4:30PM
Saturday: 9AM to 12 Noon

Customer Testimonial

"This is the second time we have used Sealtight to build a conservatory, excellent service from start to finish, a company you can trust to do a good job." - Mr & Mrs B, North Yorkshire