G20 Joinery Ltd
Window & double glazing company registered in Glasgow, Glasgow
Registered address
G20 JOINERY LTD., 65 CHAPEL STREET, Glasgow G20 9BD
✓ Active on Companies House
Companies House numberSC412239
IncorporatedNovember 2011
14 years on the register
14 years on the register
Company typePrivate Limited Company
Trade (SIC 43320)Joinery installation (windows, doors & frames)
Accounts on fileFull accounts, small-company exemption · last filed December 2023 · next due May 2026
Also registered for31010 - Manufacture of office and shop furniture; 31020 - Manufacture of kitchen furniture; 31090 - Manufacture of other furniture
Listed from the public Companies House register, not an endorsement. Quote requests go to FENSA or Certass registered installers covering your postcode, not necessarily this company. Accounts filing category reflects company size under Companies House rules, not service quality. Map location is approximate, based on the registered postcode.
Before you book G20 Joinery Ltd
This page confirms the company is on the Companies House register. It does not confirm FENSA or Certass registration, insurance, or trading status. Check those yourself first.
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How much does window replacement cost in Glasgow?
A single uPVC window in Glasgow typically runs £300 to £600 supplied and fitted; a full house of 8 to 10 windows is often £3,000 to £8,000 depending on style (casement, bay, sash-look) and glazing spec. Get two or three written, itemised quotes before agreeing to work.
Do uPVC windows need any maintenance?
Not much, but not none. Wipe the frames a few times a year, lubricate hinges and locks annually, and keep the drainage channels along the bottom of the frame clear so water can't pool and find its way inside. There is no statutory annual service like a boiler needs.
Can I see reviews for G20 Joinery Ltd?
Not here. This is a register-based directory, not a review site. Look at independent review platforms, ask the installer for recent local references, and confirm FENSA or Certass registration before any work starts.
Should I repair or replace my windows?
Repair makes sense for a failed seal (misted double glazing), a worn handle or hinge, or a damaged lock on an otherwise sound frame — usually a straightforward swap. Replacement is the better value once frames are warped, draughty, rotten (on timber) or past roughly 20 to 25 years old, or when several units across the house have failed. Ask the installer to price both where it's borderline.
How many window and glazing companies are there in Glasgow?
This directory holds 903 active window and glazing businesses across 48 towns in Glasgow, all from the Companies House register. Glasgow accounts for 645, among the county's busiest. About 45% of Glasgow's registered window and glazing firms were incorporated in the last three years, so weigh incorporation date and FENSA/Certass registration, not just company age.