- Companies
- Plumbers and heating engineers
- Wednesbury
- Diamond Plumbing & Drainage Ltd
Diamond Plumbing & Drainage Ltd
- Company number
- 15224227
- Incorporated
- 20 Oct 20232 years trading
- Registered office
- 22 Suffolk Road, Wednesbury, WS10 0TL
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Diamond Plumbing & Drainage Ltd is a 2-year-old private limited company registered in Wednesbury, company number 15224227, one of 31 plumbing and heating companies in Wednesbury. 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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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £5,151 (-428.5%) on the year before, to -£6,353.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | -£6,353 | £241 | 0 | ||
| 31 Oct 2024 | -£1,202 | £1,274 | 0 |
Where Diamond Plumbing & Drainage Ltd is registered
The registered office is in Wednesbury (WS10), in the Sandwell local authority area, West Midlands. Show WS10 0TL on a map.
Other trade companies in WS10
- Elitecore Construction LtdFinishing trades
- H&H Signature Construction LtdCivil engineering
- Kooner Fleet Parts Solutions UK LtdMotor traders
- Walsall Tyres LtdMotor traders
- J&S Building Specialists LtdInstallers
- Tass Scaffolding LtdScaffolders
- Kooner Fleet Management Solutions UK LtdMechanics and garages
- Rrah LimitedCleaning companies
What happens if Diamond Plumbing & Drainage 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 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
- 15224227
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 October 2023 (2 years ago)
- Registered office
- 22 Suffolk Road, Wednesbury, WS10 0TL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 14 October 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 Wednesbury
Other active plumbing and heating companies registered in Wednesbury.
- DNP Plumbing & Heating Ltd2021
- Eternal Bathrooms & Wetrooms Ltd2015
- G.A. Slater Boiler & Heating Installations Ltd2025
- Jordans Industrial Services Limited2002
- L. Harris WM Ltd2022
- M Weaver Plumbing & Heating Ltd2024
- M. Phillips Heating & Plumbing Ltd2019
- Mann Plumbing and Gas Ltd2018
All plumbing and heating companies in Wednesbury · All trades in Wednesbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are Diamond Plumbing & Drainage Ltd's accounts due?
Diamond Plumbing & Drainage Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Diamond Plumbing & Drainage Ltd'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 Diamond Plumbing & Drainage Ltd still trading?
Diamond Plumbing & Drainage 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 Diamond Plumbing & Drainage Ltd do?
Diamond Plumbing & Drainage Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Diamond Plumbing & Drainage Ltd?
Diamond Plumbing & Drainage Ltd was incorporated on 20 October 2023, 2 years ago.
What is the penalty if Diamond Plumbing & Drainage 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 Diamond Plumbing & Drainage 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.