- Companies
- Plumbers and heating engineers
- Bridgend
- SR & Blackwell Ltd
SR & Blackwell Ltd
- Company number
- 15891020
- Incorporated
- 12 Aug 20242 years trading
- Registered office
- 46 Maple Drive, Brackla, Bridgend, Glamorgan, CF31 2PF
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.; Activities of other holding companies n.e.c.; Buying and selling of own real estate
SR & Blackwell Ltd is a 2-year-old private limited company registered in Bridgend, company number 15891020, one of 46 plumbing and heating companies in Bridgend. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 August 2025, as filed at Companies House.
Where SR & Blackwell Ltd is registered
The registered office is in Bridgend (CF31), in the Bridgend local authority area, Wales. Show CF31 2PF on a map.
Other trade companies in CF31
- RJ Home & Garden LimitedSpecialist contractors
- Nuk Electrics LtdElectricians
- Flint Falcon LtdCleaning companies
- Ki Dynamics PVT LimitedMotor traders
- Spotlessly Clean Cleaning Services LtdCleaning companies
- Tec 44 Electrics LtdBuilders
- Kainth&Dihanahomes LtdBuilders
- HJB Property Development and Landscapes LtdLandscapers and gardeners
What happens if SR & Blackwell 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15891020
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2024 (2 years ago)
- Registered office
- 46 Maple Drive, Brackla, Bridgend, Glamorgan, CF31 2PF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999)
Activities of other holding companies n.e.c. (SIC 64209)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 March 2026
- Previous names
- Strong Roberts Properties Ltd (until 6 Jan 2025)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Bridgend
Other active plumbing and heating companies registered in Bridgend.
- Stuart Floyd-Ellis Limited2024
- T&S Contracting Ltd2026
- Thermal Heating Home Plans Limited2025
- Thermal Heating Mechanical & Electrical Engineers Ltd2018
- TPM Plumbing Ltd2022
- Turners Plum and Heat Limited2025
- Van-A-Gas Heating Limited2003
- Ventrite Maintenance Services Ltd2023
All plumbing and heating companies in Bridgend · All trades in Bridgend · Plumbers and heating engineers across the UK
Frequently asked questions
When are SR & Blackwell Ltd's accounts due?
SR & Blackwell Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is SR & Blackwell Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is SR & Blackwell Ltd still trading?
SR & Blackwell 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 SR & Blackwell Ltd do?
SR & Blackwell Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999); Activities of other holding companies n.e.c. (SIC 64209); Buying and selling of own real estate (SIC 68100).
How old is SR & Blackwell Ltd?
SR & Blackwell Ltd was incorporated on 12 August 2024, 2 years ago.
What is the penalty if SR & Blackwell 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 SR & Blackwell 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.