- Companies
- Plumbers and heating engineers
- Liverpool
- Mersey Cool Ltd
Mersey Cool Ltd
- Company number
- 16587742
- Incorporated
- 16 Jul 20251 year trading
- Registered office
- 20 Rimmer Avenue, Liverpool, L16 2NG
- Nature of business
- Plumbing, heat and air-conditioning installation
Mersey Cool Ltd is a 1-year-old private limited company registered in Liverpool, company number 16587742, one of 377 plumbing and heating companies in Liverpool. Its next accounts are due at Companies House on 16 April 2027, and its first CT600 is due at HMRC on 15 July 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 Mersey Cool Ltd is registered
The registered office is in Liverpool (L16), in the Knowsley local authority area, North West. Show L16 2NG on a map.
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What happens if Mersey Cool 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 16 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Apr 2027 to 16 May 2027 | £150 |
| 1 to 3 months late | 17 May 2027 to 16 Jul 2027 | £375 |
| 3 to 6 months late | 17 Jul 2027 to 16 Oct 2027 | £750 |
| More than 6 months late | From 17 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16587742
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 July 2025 (1 year ago)
- Registered office
- 20 Rimmer Avenue, Liverpool, L16 2NG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 July 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 Liverpool
Other active plumbing and heating companies registered in Liverpool.
- Mersey Mechanical Ltd2020
- Mersey Prime Ltd2020
- Merseyfix Plumbing & Heating Ltd2025
- Merseyflush Ltd2024
- Merseyside Air Conditioning Ltd2025
- Merseyside Central Heating Limited1989
- Merseyside Central Heating Renewables Limited2013
- Merseyside Heating & Plumbing Limited1985
All plumbing and heating companies in Liverpool · All trades in Liverpool · Plumbers and heating engineers across the UK
Frequently asked questions
When are Mersey Cool Ltd's accounts due?
Mersey Cool Ltd's next accounts are due at Companies House by 16 April 2027 (in 185 days), covering the period to 31 July 2026.
When is Mersey Cool 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 15 July 2026, due by 15 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mersey Cool Ltd still trading?
Mersey Cool 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 Mersey Cool Ltd do?
Mersey Cool Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Mersey Cool Ltd?
Mersey Cool Ltd was incorporated on 16 July 2025, 1 year ago.
What is the penalty if Mersey Cool 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 Mersey Cool 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.