Glass Extensions · Greater London

Glass Extensions in Barnet

Looking for glass extensions in Barnet? S&K Glazing has been installing across Greater London for over a decade. A frameless glass extension creates the ultimate connection between home and garden — full-height glass walls, structural glass roofs, and minimal framing for an almost-invisible enclosure.

Local service: Barnet, Greater London
Warranty: 10-year insurance-backed
Get a free quote Call 0800 088 6341

Why choose S&K for glass extensions in Barnet

  • Full-height structural glass walls up to 4m tall
  • Frameless glass corners and structural glass roof options
  • Heated and self-cleaning glass for year-round comfort
  • Integrated bifold or slimline sliding doors
  • Planning and building regs support included

About the service

A frameless glass extension creates the ultimate connection between home and garden — full-height glass walls, structural glass roofs, and minimal framing for an almost-invisible enclosure. S&K Glazing designs and builds bespoke glass box extensions for kitchens, dining rooms, garden rooms and pool enclosures across the UK.

Glass Extensions · Barnet

Working in Barnet

Barnet borough's mix of suburban 1930s housing, period properties in Hampstead Garden Suburb, and commercial premises along the A1 corridor keeps us busy across EN, N and NW postcodes. Premium aluminium bifolds, sash window replacement and double-glazing upgrades are our most-requested local services.

For doors and glass extensions in Barnet, residential property style typically drives the design brief across London — whether that's contemporary aluminium bifolds spanning a garden-facing rear elevation, slim-frame sliding doors that maximise glass area on a modern extension, or heritage French doors fitted to a period façade. Most commonly we're working in A1 postcodes. Typical lead time from survey to install: 4-6 weeks for standard configurations, 8-10 weeks for bespoke or large-span builds.

Our process

How we deliver in Barnet

01

Architectural consultation

We visit your home, discuss your vision, and produce concept sketches and CAD plans. For complex projects we can introduce you to our partner architects.

02

Engineering & planning

Structural glass extensions require specialist structural calculations and (usually) planning permission. We handle both — typical timeline 8-12 weeks from concept to consent.

03

Manufacture

Glass panels are toughened and laminated to structural specifications (often 24-32mm thick). Lead times 6-8 weeks. Steel structure (if exposed) manufactured in parallel.

FAQs

Common questions

Frameless glass box extensions typically cost £25,000-£60,000 depending on size and complexity. Cost per square metre is roughly double a conventional brick extension.
We specify solar-control glass that reflects 60-70% of solar heat, often combined with electrochromic or external venetian blinds. Combined with cross-ventilation through bifold or sliding doors, modern glass extensions are comfortable year-round.
Larger glass extensions usually need planning permission, but smaller projects may qualify as permitted development. We assess each project at the survey stage.

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Free survey, fixed-price quotes, no pressure sales. Call us, message on WhatsApp, or fill in the form — we typically respond within an hour during working days.

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Head office
Unit 1-4, Hembs Crescent, Great Barr
Birmingham B43 5DG

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