Glass Units
Glass Units

Double Glazed Units London

Design and Order Bespoke Glass Sealed Glass Units Online

At Sealed Units Online we pride ourselves on quality window and glass products with great customer service. Our online Double Glazed Sealed Unit service is designed to allow you to easily order products direct from the manufacturer - minimising administration to lower costs. Our online service is backed up by experienced craftsmen and the latest in production technology.

4mm or 6mm Clear,4mm or 6mm Softcoat (Low E), 4mm or 6mm Planitherm 1.0 (Low E)

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4mm Lo-Profile, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm and 20mm Cavity Widths (gap between both panes).
All units are Argon gas filled!

Our current Spacer Bar options are White (Warm Edge), Black (Warm Edge), Grey (Warm Edge) or Silver (Aluminium), Gold (Aluminium), Brown (Aluminium).

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Unit Dimensions

Toughened glass is used when safety, thermal resistance, and strength are important. Breaks into small cubes when broken.

 mm x H  mm 
Price £30.24  Add To Order
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Mountain View

Thank you very much for making up and delivering the units. Yes, we found them by the bins, and appreciate your email explaining why they were placed there - seemed a slightly eccentric place when we first saw them there! Units look great and'll be a perfect fit. In due course I think we'll be needing quite a few more.


Cheers, Matthew


Window units arrived this morning in perfect condition well a head of the 28 day delivery quoted and are already in place. Thanks for a first class product and service.


Andrew Lesiuk, Falkirk

SealedUnitsOnline Van



We offer a full London Area (Any address inside M25) delivery service on all sealed units.

Option 24 Hour* - £150 any location within M25.

Option 48 Hour* - £75 any location within M25.

Option 72 Hour* - £50 any location within M25.

Please note that our delivery options are a full working day for each 24 hour period. Operating our own delivery service we ensure your Glass Units arrive in perfect condition. Prices for delivery are subject to VAT.