- Companies
- Plumbers and heating engineers
- London
- Sde 2023 Ltd
Sde 2023 Ltd
- Company number
- 14753647
- Incorporated
- 23 Mar 20233 years trading
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation; Plastering; Other building completion and finishing; Other cleaning services
Sde 2023 Ltd is a 3-year-old private limited company registered in London, company number 14753647, 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 £1,928 (+79.1%) on the year before, to £4,366.
- Current assets of £2,634 against £7,722 owed within a year: 0.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £4,366 | £2,634 | £7,722 | 2 | |
| 31 Mar 2025 | £2,438 | £2,616 | £383 | 2 | |
| 31 Mar 2024 | £2,657 | £1,956 | £5,697 | 2 |
Who runs and owns Sde 2023 Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** K*** | Director | Mar 2023 |
Person with significant control
Where Sde 2023 Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX 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
Shared registered office
2,436 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 Sde 2023 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
- 14753647
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2023 (3 years ago)
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Plastering (SIC 43310)
Other building completion and finishing (SIC 43390)
Other cleaning services (SIC 81299) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 22 March 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.
- Se Heating and Plumbing Service Ltd2021
- Seal Island Kitchen and Bathrooms Ltd2024
- Seasonal Bliss CC Ltd2025
- Secure Eco Installers Ltd2025
- Secure Plumbing and Heating Services Ltd2025
- Secure Plumbing Solutions Ltd2026
- Select Engineer Limited2020
- Semi Homes Limited2021
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Sde 2023 Ltd's accounts due?
Sde 2023 Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Sde 2023 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 Sde 2023 Ltd still trading?
Sde 2023 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 Sde 2023 Ltd do?
Sde 2023 Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Plastering (SIC 43310); Other building completion and finishing (SIC 43390); Other cleaning services (SIC 81299).
How old is Sde 2023 Ltd?
Sde 2023 Ltd was incorporated on 23 March 2023, 3 years ago.
Who runs Sde 2023 Ltd?
Sde 2023 Ltd has 1 active director, the longest-serving appointed in Mar 2023. Their names and service addresses are on the Companies House register.
Who owns Sde 2023 Ltd?
One person or company has significant control of Sde 2023 Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Sde 2023 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 Sde 2023 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.