- Companies
- Plumbers and heating engineers
- Dam Plumbing & Heating Limited
Dam Plumbing & Heating Limited
- Company number
- 04506523
- Incorporated
- 8 Aug 200224 years trading
- Registered office
- Rockley, Minneymoor Lane, Conisbrough, Doncaster, DN12 3EJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Dam Plumbing & Heating Limited is a 24-year-old private limited company registered in Conisbrough, company number 04506523, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 7 May 2027, and the CT600 for the period to 7 August 2026 is due at HMRC on 7 August 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 up £1,836 (+28.3%) on the year before, to £8,329.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £12K against £9,882 owed within a year: 1.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 7 Aug 2025 | £8,329 | £12K | £9,882 | 2 | |
| 7 Aug 2024 | £6,493 | £11K | £11K | 2 | |
| 7 Aug 2023 | £6,249 | £12K | £11K | 2 | |
| 7 Aug 2022 | £7,102 | £13K | £12K | 2 | |
| 7 Aug 2021 | £7,986 | £17K | £15K | 2 | |
| 7 Aug 2020 | £3,175 | £2,142 | £5,210 | 1 | |
| 7 Aug 2019 | £3,853 | £1,674 | £6,145 | 1 | |
| 7 Aug 2018 | £1,534 | £2,824 | £1,811 | ||
| 7 Aug 2017 | £4,774 | £5,507 | £1,427 | ||
| 7 Aug 2016 | £6,386 | £11K | £6,002 |
Where Dam Plumbing & Heating Limited is registered
The registered office is in Conisbrough (DN12), in the Doncaster local authority area, Yorkshire and The Humber. Show DN12 3EJ on a map.
Other trade companies in DN12
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- Sir Scaffolding Services LtdScaffolders
- J Jones Electrical LtdElectricians
- DRR Construct LtdBuilders
- Louis D. Wright LtdCivil engineering
- V Joinery LimitedJoiners and carpenters
- MJC Truck and Trailer Services LimitedMechanics and garages
- La Electrical & Comms LtdMachinery repair and installation
What happens if Dam Plumbing & Heating 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 7 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 May 2027 to 7 Jun 2027 | £150 |
| 1 to 3 months late | 8 Jun 2027 to 7 Aug 2027 | £375 |
| 3 to 6 months late | 8 Aug 2027 to 7 Nov 2027 | £750 |
| More than 6 months late | From 8 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 8 Aug 2027 | £200 |
| 3 months late | 7 Nov 2027 | another £200 |
| 6 months late | 7 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 7 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
- 04506523
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2002 (24 years ago)
- Registered office
- Rockley, Minneymoor Lane, Conisbrough, Doncaster, DN12 3EJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 7 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 7 August 2025
- Last confirmation statement
- 24 July 2026
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
Other active plumbing and heating companies.
Frequently asked questions
When are Dam Plumbing & Heating Limited's accounts due?
Dam Plumbing & Heating Limited's next accounts are due at Companies House by 7 May 2027 (in 206 days), covering the period to 7 August 2026.
When is Dam Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 7 August 2026 is due at HMRC by 7 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 8 May 2027.
Is Dam Plumbing & Heating Limited still trading?
Dam Plumbing & Heating 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 Dam Plumbing & Heating Limited do?
Dam Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dam Plumbing & Heating Limited?
Dam Plumbing & Heating Limited was incorporated on 8 August 2002, 24 years ago.
What is the penalty if Dam Plumbing & Heating 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 Dam Plumbing & Heating 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.