Scores based on 123 reviews

Reliability & timekeeping

Invoice history based on 111 reviews.

Invoice History
Charged as per quote / estimate100%
Appointments reported as missed (6 months) 0
Average score 9.96
123 reviews
  • Interviewed by Checkatrade
  • 1 accreditation checked
  • Insurance checked
  • Limited company checked
  • ID checked
  • References checked
  • VAT registered
  • Checkatrade standard signed

Welcome to FORTRESS UPVC. We are a small independent company based in Eastleigh, Hampshire with over 25 years experience in the double glazing industry. 

We pride ourselves on quality products and workmanship with customer satisfaction as our top priority. Our main line of business is upvc windows, doors and conservatories however we also install fascia, soffits, guttering and car ports. All our products come in a wide range of finishes / colours and also include the latest energy efficient features - 70mm multi-chambered profiles, advanced coated glass with argon filled units and warm edge spacer bar, as you'd expect 'A' rated as standard this can even be increased to 'A' +8 ! for your total comfort. 
As our name suggests we are hot on securing your home, so with that in mind our windows are internally glazed with secured by design ' YALE' shootbolt locking and hinge side protection ( anti crow bar ). With our doors you get ' LOCKMASTER ' multi-point locking mechanism with 10 year mechanical breakdown guarantee ( paddock ) 
When it comes to composite doors we can supply and fit ' DOORSTOP ' and ' ROCKDOOR '  the ultimate door range with a whole host of designs / colours / glass choices and security features - please ask for a brochure. Conservatories can be supplied and installed in various designs - Bi-fold doors, patio doors ( patio master ), stable doors, sliding sash windows and tilt/turn windows........etc.
All our work is covered by a 10 year insurance backed guarantee and we are CERTASS registered. 
Thank you for looking at our page and please feel free to give us a call........FORTRESS UPVC ...your security... our priority.

Based in

Eastleigh, Hampshire

Works in

Eastleigh, Southampton, Chandlers Ford, Romsey, Winchester, Salisbury , New forest