Windows, secure & energy saving in a range of finishes

Conservatories, add space & value to your home

Doors, instant style & security

Our Products

Assurance that we provide high quality products

Harbourside Windows & Conservatories in Portsmouth, Hampshire specialise in Conservatories, Double Glazing, Windows and Doors. Offering installation throughout the South-East.

All orders are made-to-measure and quality checked, with assurance of the highest standards of guaranteed workmanship. We use Pilkington
branded glass, which include Pilkington Texture Glass, energiKare™ and Activ™ Clear; self-cleaning glass – which uses rain to wash dirt away!, Solaglas Solar control and many energy-efficient options. All suitable for domestic and commercial applications.


The double glazed windows that we supply are fitted with hardware manufactured by Marinespec and use Synseal Legend 70 components, in tilt n turn, sash, and casement options. There is a vast range of beading options in chamfered and sculptured profiles.

Choose from the following styles…
• uPVC Windows
• Tilt n Turn
• Casement 



The Conservatories that we offer are made using the Synseal Legend 70 components, which include the high quality ‘Global’ roof system.
Choose from the following styles…
• Lean-To Conservatories
• Bespoke Conservatories
• Victorian and Edwardian Conservatories



The UPVC and Composite Doors that we supply are manufactured using Synseal’ products and are fitted with Yale Multipoint locks.
Choose from the following styles…
• PVC Doors
• Composite Doors
• Patio Doors
• French Doors
Click here to view a pdf of our full range of uPVC Panel Doors 
Click here to view a pdf of our full range of Composite Doors 

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If you have any special requirements, either domestic or commercial, please get in touch to discuss -
call us on 023 9259 4852.

We offer energy efficient products
Get a quote

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