- Companies
- Plumbers and heating engineers
- London
- DSS Plumbing Ltd
DSS Plumbing Ltd
- Company number
- 12974579
- Incorporated
- 26 Oct 20205 years trading
- Registered office
- 257 City Road, 603 Canaletto Tower, London, EC1V 1AD
- Nature of business
- Plumbing, heat and air-conditioning installation
DSS Plumbing Ltd is a 5-year-old private limited company registered in London, company number 12974579, one of 2,972 plumbing and heating companies in London. 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 up £19K (+102.3%) on the year before, to £37K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £59K against £21K owed within a year: 2.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £37K | £46K | £59K | £21K | 1 |
| 31 Oct 2024 | £18K | £18K | £36K | £17K | 1 |
| 31 Oct 2023 | £3,077 | £39K | £39K | £35K | 1 |
| 31 Oct 2022 | £100 | £9,318 | £9,318 | £9,218 | 1 |
| 31 Oct 2021 | £100 | £17K | £17K | £17K | 1 |
Where DSS Plumbing Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 1AD on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
What happens if DSS Plumbing 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
- 12974579
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 2020 (5 years ago)
- Registered office
- 257 City Road, 603 Canaletto Tower, London, EC1V 1AD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 26 January 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 London
Other active plumbing and heating companies registered in London.
- Duaa Technical Services UK Limited2023
- Duct Install UK Limited2017
- Dudleys Plumbing & Heating Limited2014
- Dudu's Plumbing Plus Limited2025
- Duffmeister Ltd2023
- Dufrayer Heatflow Solutions Ltd2025
- Dunbar’S Plumbing Limited2023
- Dutch Tech Ltd2024
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are DSS Plumbing Ltd's accounts due?
DSS Plumbing Ltd's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is DSS Plumbing 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 DSS Plumbing Ltd still trading?
DSS Plumbing 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 DSS Plumbing Ltd do?
DSS Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DSS Plumbing Ltd?
DSS Plumbing Ltd was incorporated on 26 October 2020, 5 years ago.
What is the penalty if DSS Plumbing 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 DSS Plumbing 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.