- Companies
- Installers
- Caerphilly
- G&T Windows & Doors Ltd
G&T Windows & Doors Ltd
- Company number
- 16100271
- Incorporated
- 25 Nov 20241 year trading
- Registered office
- 12 First Avenue, Caerphilly, CF83 2SA
- Nature of business
- Other construction installation
G&T Windows & Doors Ltd is a 1-year-old private limited company registered in Caerphilly, company number 16100271, one of 17 installation companies (insulation, lifts, shutters and similar) in Caerphilly. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Where G&T Windows & Doors Ltd is registered
The registered office is in Caerphilly (CF83), in the Caerphilly local authority area, Wales. Show CF83 2SA on a map.
Other trade companies in CF83
- Owen PM LimitedBuilders
- Ecamscymru LtdMachinery repair and installation
- Bee Green Plumbing Solutions LtdPlumbers and heating engineers
- Tyga Constuction LimitedBuilders
- Grip Rip MX LtdMotor traders
- Da' Grave LtdRepair services
- First Class Cleaning Solutions LtdCleaning companies
- Vehicle Accident Repairs Solutions LtdMotor traders
What happens if G&T Windows & Doors Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16100271
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 November 2024 (1 year ago)
- Registered office
- 12 First Avenue, Caerphilly, CF83 2SA
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 24 November 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Caerphilly
Other active installation companies (insulation, lifts, shutters and similar) registered in Caerphilly.
- KJ Windows Ltd2026
- M Pope Building Services Limited2007
- MC Drylining Limited2021
- NKW Contract Flooring Ltd2026
- Olsen and Lewis Services Limited2020
- Pga Installations Ltd2026
- Renderclean Ltd2021
- S.G. Partnership Limited2005
All installation companies (insulation, lifts, shutters and similar) in Caerphilly · All trades in Caerphilly · Installers across the UK
Frequently asked questions
When are G&T Windows & Doors Ltd's accounts due?
G&T Windows & Doors Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is G&T Windows & Doors Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is G&T Windows & Doors Ltd still trading?
G&T Windows & Doors Ltd is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does G&T Windows & Doors Ltd do?
G&T Windows & Doors Ltd is registered under Other construction installation (SIC 43290).
How old is G&T Windows & Doors Ltd?
G&T Windows & Doors Ltd was incorporated on 25 November 2024, 1 year ago.
What is the penalty if G&T Windows & Doors Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View G&T Windows & Doors Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.