- Companies
- Plumbers and heating engineers
- London
- DC Duct Services Ltd
DC Duct Services Ltd
- Company number
- 11638384
- Incorporated
- 23 Oct 20187 years trading
- Registered office
- 4A Roman Road, London, E6 3RX
- Nature of business
- Plumbing, heat and air-conditioning installation
DC Duct Services Ltd is a 7-year-old private limited company registered in London, company number 11638384, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £4,091 (+78.4%) on the year before, to £9,309.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £17K against £8,504 owed within a year: 2.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £9,309 | £17K | £8,504 | 1 | |
| 11 Apr 2025 | £5,218 | £15K | £11K | 1 | |
| 5 Apr 2024 | £715 | £16K | £19K | 2 | |
| 5 Apr 2023 | £1,463 | £13K | £16K | 2 | |
| 5 Apr 2022 | £1,253 | £12K | £13K | 2 | |
| 5 Apr 2021 | £188 | £12K | £13K | 2 | |
| 5 Apr 2020 | £177 | £11K | £11K | ||
| 5 Apr 2019 | £223 | £6,391 | £6,168 |
Where DC Duct Services Ltd is registered
The registered office is in London (E6), in the Newham local authority area, London. Show E6 3RX on a map.
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Shared registered office
137 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if DC Duct Services 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 11638384
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2018 (7 years ago)
- Registered office
- 4A Roman Road, London, E6 3RX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 10 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 London
Other active plumbing and heating companies registered in London.
- Dci Gas Installations Ltd2023
- DD Heat Ltd2026
- Deco Class Ltd2026
- Decor8S Services Ltd2020
- Deeham Ltd2020
- Deene Plumbing Heating & Gas Limited2014
- Deepskye Limited2025
- Delaney Plumbing & Heating Ltd2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are DC Duct Services Ltd's accounts due?
DC Duct Services Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is DC Duct Services Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is DC Duct Services Ltd still trading?
DC Duct Services 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 DC Duct Services Ltd do?
DC Duct Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is DC Duct Services Ltd?
DC Duct Services Ltd was incorporated on 23 October 2018, 7 years ago.
What is the penalty if DC Duct Services 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 DC Duct Services 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.