- Companies
- Property developers
- Treharris
- SD Sprinklers Limited
SD Sprinklers Limited
- Company number
- 16054080
- Incorporated
- 31 Oct 20241 year trading
- Registered office
- 4 Station Terrace, Bedlinog, Treharris, Mid Glamorgan, CF46 6TT
- Nature of business
- Development of building projects
SD Sprinklers Limited is a 1-year-old private limited company registered in Treharris, company number 16054080, one of 6 property development companies in Treharris. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 31 October 2025, as filed at Companies House.
Where SD Sprinklers Limited is registered
The registered office is in Treharris (CF46), in the Merthyr Tydfil local authority area, Wales. Show CF46 6TT on a map.
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- All Cleaned Up FM LtdCleaning companies
- Stadeyn Civils & Groundworks LtdCivil engineering
- JDP Plumbing & Property Maintenance LtdBuilders
- Alpha Exterior Solutions LtdCleaning companies
- Foreman's Tyres LimitedMotor traders
- Fox Electrical and Building Maintenance LtdBuilders
- L M Hydraulic Services LimitedMachinery repair and installation
What happens if SD Sprinklers Limited 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16054080
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 October 2024 (1 year ago)
- Registered office
- 4 Station Terrace, Bedlinog, Treharris, Mid Glamorgan, CF46 6TT
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 2 June 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Treharris
Other active property development companies registered in Treharris.
- Siteline Civils SW Limited2022
- Bird Construction Services Ltd2021
- Oteq Development Ltd2019
- Poppybuild Developments Ltd2026
- RS Brickwork Solutions Ltd2024
All property development companies in Treharris · All trades in Treharris · Property developers across the UK
Frequently asked questions
When are SD Sprinklers Limited's accounts due?
SD Sprinklers Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is SD Sprinklers Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is SD Sprinklers Limited still trading?
SD Sprinklers Limited 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 SD Sprinklers Limited do?
SD Sprinklers Limited is registered under Development of building projects (SIC 41100).
How old is SD Sprinklers Limited?
SD Sprinklers Limited was incorporated on 31 October 2024, 1 year ago.
What is the penalty if SD Sprinklers Limited 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 SD Sprinklers Limited 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.