
What is the most energy efficient window? A complete guide for UK homes
28 July 2025
Double glazing installed by The Nottingham Window Company offers strong thermal efficiency, noise reduction, and enhanced security while reducing heat loss. Our windows use Planitherm™ glazing in three grades—Energy Standard, Comfort, and Comfort Plus—which help retain internal heat, reduce external heat ingress, stop condensation, block UV rays, and protect furniture.
New double glazing windows from us meet modern standards: low U‐values, often as low as 0.8 W/m²K (especially with triple glazing), achieving A-rated or better energy performance.
Also, our double glazed units are fitted with toughened or laminated glass and secure locking systems. Styles such as casement, sliding sash, flush sash, tilt & turn, and Residence 7 & 9 collections come with internal beading, multi-point locking, and PAS 24 compliance to boost security.
We supply a wide selection of windows and doors in Nottingham, combining style, material and performance to match different types of homes and designs.
Window styles include:
Materials offered:
Doors & extensions: Alongside windows, we offer composite doors, bifold, French, patio, and uPVC doors; conservatories, orangeries, tiled roofs and lantern roofs; and roofline products.
Our installation team is local, professional, and experienced across Nottingham, Beeston, Newark-on-Trent, Derby, Leicester and more.
All our products carry A-rated certification, PAS 24 performance standards, and come with Insurance-Backed Warranties via CERTASS & QANW.
We also provide lifetime guarantees on our window and door frames, plus aftercare service including free call-outs for remedial work when required.
We are firm believers that quality always costs less. A free consultation will save money, whilst enabling healthy discussion & development of specific project requirements with a seasoned professional who truly loves what they do. Visualise & explore various options by completing the adjacent form.
Covering compelling topics such as the Nottingham property market, the latest interior design trends, and industry news.
28 July 2025
28 June 2025
28 May 2025