Energy Efficient

Window Fitting

Double & triple glazing installation that improves comfort, security and energy efficiency.

Before & After

Before: Old windows needing replacement After: New double-glazed windows installed

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Upgrade Your View — and Your Bills

Modern windows make a significant difference to comfort, noise reduction, security, and energy bills. Whether you're replacing draughty single-glazed units or upgrading to triple glazing, our team handles the full installation process including making good internally and externally.

We work with UPVC, aluminium, and timber frames depending on your property style and budget. For period properties, we can advise on options that satisfy conservation requirements while delivering modern performance.

Energy Efficient

A-rated double and triple glazing options.

Security

Multi-point locking as standard on all windows.

Frame Options

UPVC, aluminium, or timber to suit your property.

Full Making Good

Internal and external finishing included.

Everything in Your Window Fitting Project

Typical project timeline: 1–5 days

Site survey & window measurement
Choice of UPVC, aluminium or timber frames
Double or triple glazing
Removal of existing windows
Professional installation
Internal & external making good
Security hardware & locks
FENSA certification
Start Your Project

Window Fitting Services in London & Kent

JD Smart Building installs replacement windows across South East London and Kent. We handle everything from measurement through to final making good, with FENSA certification included. Note: Images on this page are placeholders — contact us to discuss your window project.