- Companies
- Plumbers and heating engineers
- Rotherham
- DMM Plumbing & Heating Ltd
DMM Plumbing & Heating Ltd
- Company number
- 14933218
- Incorporated
- 13 Jun 20233 years trading
- Registered office
- 14 Cherry Tree Road, Maltby, Rotherham, S66 8LR
- Nature of business
- Plumbing, heat and air-conditioning installation
DMM Plumbing & Heating Ltd is a 3-year-old private limited company registered in Rotherham, company number 14933218, one of 158 plumbing and heating companies in Rotherham. Its next accounts are due at Companies House on 31 August 2027, and its first CT600 is due at HMRC on 30 June 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 £2,040 (-35.5%) on the year before, to £3,700.
- Current assets of £2,296 against £3,346 owed within a year: 0.7 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £3,700 | £2,296 | £3,346 | 2 | |
| 30 Jun 2024 | £5,740 | £2,324 | £3,739 | 2 |
Where DMM Plumbing & Heating Ltd is registered
The registered office is in Rotherham (S66), in the Rotherham local authority area, Yorkshire and The Humber. Show S66 8LR on a map.
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What happens if DMM Plumbing & Heating 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 14933218
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2023 (3 years ago)
- Registered office
- 14 Cherry Tree Road, Maltby, Rotherham, S66 8LR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 4 June 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 in Rotherham
Other active plumbing and heating companies registered in Rotherham.
- DNL Plumbing & Heating Limited2017
- DS Plumbing and Heating Services Ltd2020
- DTS Plumbing & Heating Services Ltd2016
- Dual-Air Limited2013
- E.T Pipework Services Ltd2021
- Eco Gas Services Ltd2007
- Eco Heat Surge (Yorkshire) Limited2025
- Egas Metering Ltd2023
All plumbing and heating companies in Rotherham · All trades in Rotherham · Plumbers and heating engineers across the UK
Frequently asked questions
When are DMM Plumbing & Heating Ltd's accounts due?
DMM Plumbing & Heating Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is DMM Plumbing & Heating 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 30 June 2026, due by 30 June 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is DMM Plumbing & Heating Ltd still trading?
DMM Plumbing & Heating 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 DMM Plumbing & Heating Ltd do?
DMM Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DMM Plumbing & Heating Ltd?
DMM Plumbing & Heating Ltd was incorporated on 13 June 2023, 3 years ago.
What is the penalty if DMM Plumbing & Heating 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 DMM Plumbing & Heating 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.