- Companies
- Plumbers and heating engineers
- London
- CL Plumbtech Ltd
CL Plumbtech Ltd
- Company number
- 15291089
- Incorporated
- 17 Nov 20232 years trading
- Registered office
- Third Floor, 207 Regent Street, London, W1B 3HH
- Nature of business
- Plumbing, heat and air-conditioning installation; specialised design activities
CL Plumbtech Ltd is a 2-year-old private limited company registered in London, company number 15291089, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 5 January 2027, and the CT600 for the period to 5 April 2026 is due at HMRC on 5 April 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where CL Plumbtech Ltd is registered
The registered office is in London (W1B), in the Westminster local authority area, London. Show W1B 3HH on a map.
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Also registered at this address
15 other companies use the same registered office as CL Plumbtech Ltd.
- Ab Tile-Fix LtdFloor and wall tilers
- Applewood Events LimitedSpecialist contractors
- Buildmaster LtdPlasterers
- Gooda Enterprises LtdMotor traders
- Ipj Electrical Engineering LtdSpecialist contractors
- Kato Develop LtdBuilders
- Lioncrest Estates LtdProperty developers
- London Design and Management LtdCivil engineering
- Manolete Holding LtdProperty developers
- Peace City . World, LimitedProperty developers
- Pineapple Structures LtdProperty developers
- Rtce LtdMotor traders
- SH Fifteen LtdProperty developers
- Turneround Homes LtdJoiners and carpenters
- TWVS LtdMotor traders
What happens if CL Plumbtech 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 5 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Jan 2027 to 5 Feb 2027 | £150 |
| 1 to 3 months late | 6 Feb 2027 to 5 Apr 2027 | £375 |
| 3 to 6 months late | 6 Apr 2027 to 5 Jul 2027 | £750 |
| More than 6 months late | From 6 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 6 Apr 2027 | £200 |
| 3 months late | 5 Jul 2027 | another £200 |
| 6 months late | 5 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 5 Apr 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
- 15291089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 November 2023 (2 years ago)
- Registered office
- Third Floor, 207 Regent Street, London, W1B 3HH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
specialised design activities (SIC 74100) - Year end
- 5 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 5 April 2025
- Last confirmation statement
- 9 June 2026
- Previous names
- CL Cadtech Ltd (until 4 Apr 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.
- Claremore (Mechanical Services) Limited1973
- Clarkin Contracting Ltd2023
- CLC Maintenance Group Ltd2017
- Clean Filtration Limited2025
- Cleanline Engineering Co. Limited1981
- Clear Flame Plumbing and Heating Ltd2024
- Clear Flow Solutions Ltd2025
- Cleopatra Plumbing & Heating Ltd2012
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are CL Plumbtech Ltd's accounts due?
CL Plumbtech Ltd's next accounts are due at Companies House by 5 January 2027 (in 85 days), covering the period to 5 April 2026.
When is CL Plumbtech Ltd's CT600 due?
The CT600 for the period to 5 April 2026 is due at HMRC by 5 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 6 January 2027.
Is CL Plumbtech Ltd still trading?
CL Plumbtech 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 CL Plumbtech Ltd do?
CL Plumbtech Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); specialised design activities (SIC 74100).
How old is CL Plumbtech Ltd?
CL Plumbtech Ltd was incorporated on 17 November 2023, 2 years ago.
What is the penalty if CL Plumbtech 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 CL Plumbtech 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.