- Companies
- Joiners and carpenters
- Kirkcaldy
- ST Clair Windows & Doors Ltd
ST Clair Windows & Doors Ltd
- Company number
- SC900337
- Incorporated
- 25 Aug 2026
- Registered office
- 144N ST Clair Street, Kirkcaldy, Fife, KY1 2BZ
- Nature of business
- Joinery installation
ST Clair Windows & Doors Ltd is a newly incorporated private limited company registered in Kirkcaldy, company number SC900337, one of 41 joinery companies in Kirkcaldy. Its next accounts are due at Companies House on 25 May 2028, and its first CT600 is due at HMRC on 24 August 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where ST Clair Windows & Doors Ltd is registered
The registered office is in Kirkcaldy (KY1), in the Fife local authority area, Scotland. Show KY1 2BZ on a map.
Other trade companies in KY1
- Stratum Access LtdScaffolders
- J.G Plumbing & Heating Installations LtdPlumbers and heating engineers
- Fanic's LtdCleaning companies
- J M Walker LtdCivil engineering
- As Electrical Scotland LimitedElectricians
- S&Dconstruction23Scotland LtdBuilders
- C2P Cleaning Services LtdCleaning companies
- STM Motors LtdMotor traders
What happens if ST Clair 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 25 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 May 2028 to 25 Jun 2028 | £150 |
| 1 to 3 months late | 26 Jun 2028 to 25 Aug 2028 | £375 |
| 3 to 6 months late | 26 Aug 2028 to 25 Nov 2028 | £750 |
| More than 6 months late | From 26 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- SC900337
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2026
- Registered office
- 144N ST Clair Street, Kirkcaldy, Fife, KY1 2BZ
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Kirkcaldy
Other active joinery companies registered in Kirkcaldy.
- Wayne Horton Joinery Ltd2025
- Windsor Bespoke Interiors Limited2022
- Addon Developments Limited2018
- Ak Joinery Services Ltd2026
- Alan Hodge Joiners Ltd2018
- Alexander Simpson Kitchens Ltd2022
- Ask Install Services Limited2026
- Aw Kitchen Fitters (Fife) Ltd2023
All joinery companies in Kirkcaldy · All trades in Kirkcaldy · Joiners and carpenters across the UK
Frequently asked questions
When are ST Clair Windows & Doors Ltd's accounts due?
ST Clair Windows & Doors Ltd's next accounts are due at Companies House by 25 May 2028 (in 590 days), covering the period to 31 August 2027.
When is ST Clair Windows & Doors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 24 August 2027, due by 24 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is ST Clair Windows & Doors Ltd still trading?
ST Clair 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 ST Clair Windows & Doors Ltd do?
ST Clair Windows & Doors Ltd is registered under Joinery installation (SIC 43320).
How old is ST Clair Windows & Doors Ltd?
ST Clair Windows & Doors Ltd was incorporated on 25 August 2026, less than a year ago.
What is the penalty if ST Clair 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 ST Clair 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.