- Companies
- Plumbers and heating engineers
- London
- Cool and Plumb Ltd
Cool and Plumb Ltd
- Company number
- 16382675
- Incorporated
- 11 Apr 20251 year trading
- Registered office
- 7 New Park Parade, London, SW2 4UW
- Nature of business
- Plumbing, heat and air-conditioning installation; Temporary employment agency activities
Cool and Plumb Ltd is a 1-year-old private limited company registered in London, company number 16382675, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 11 January 2027, and its first CT600 is due at HMRC on 10 April 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Cool and Plumb Ltd is registered
The registered office is in London (SW2), in the Lambeth local authority area, London. Show SW2 4UW on a map.
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Also registered at this address
1 other company uses the same registered office as Cool and Plumb Ltd.
- Engy Group LimitedElectricians
What happens if Cool and Plumb 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 11 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Jan 2027 to 11 Feb 2027 | £150 |
| 1 to 3 months late | 12 Feb 2027 to 11 Apr 2027 | £375 |
| 3 to 6 months late | 12 Apr 2027 to 11 Jul 2027 | £750 |
| More than 6 months late | From 12 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 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
- 16382675
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 2025 (1 year ago)
- Registered office
- 7 New Park Parade, London, SW2 4UW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Temporary employment agency activities (SIC 78200) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 April 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.
- Cool Plumbings Inc Ltd2026
- Cool Trace Solutions Ltd2026
- Coolheat Experts Ltd2025
- Cooling and Heating Installations Ltd2026
- Coolio London Limited2026
- Cooltop Limited2010
- Coolways London Ltd2018
- Coombewood Ltd2004
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Cool and Plumb Ltd's accounts due?
Cool and Plumb Ltd's next accounts are due at Companies House by 11 January 2027 (in 90 days), covering the period to 30 April 2026.
When is Cool and Plumb 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 10 April 2026, due by 10 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Cool and Plumb Ltd still trading?
Cool and Plumb 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 Cool and Plumb Ltd do?
Cool and Plumb Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Temporary employment agency activities (SIC 78200).
How old is Cool and Plumb Ltd?
Cool and Plumb Ltd was incorporated on 11 April 2025, 1 year ago.
What is the penalty if Cool and Plumb 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 Cool and Plumb 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.