Ecocool Ltd
- Company number
- 15305285
- Incorporated
- 23 Nov 20232 years trading
- Registered office
- 18 the Avenue, Rayners Lane, Pinner, HA5 5BL
- Nature of business
- Plumbing, heat and air-conditioning installation
Ecocool Ltd is a 2-year-old private limited company registered in Pinner, company number 15305285, one of 30 plumbing and heating companies in Pinner. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
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 down £2,824 (-286.1%) on the year before, to -£3,811.
- Current assets of £1,227 against £18 owed within a year: more than 10 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£3,811 | £1,227 | £18 | 0 | |
| 30 Nov 2024 | -£987 | £1,997 | £24K | 0 |
Where Ecocool Ltd is registered
The registered office is in Pinner (HA5), in the Harrow local authority area, London. Show HA5 5BL on a map.
Other trade companies in HA5
- Elisop LtdCivil engineering
- Kite Property Management LtdBuilders
- Olivares and Hayter LtdSpecialist contractors
- Shallons Electrical LtdElectricians
- Executive Maintenance LtdFinishing trades
- Truspan LtdBuilders
- Mak Electrical Services LtdBuilders
- Bori Scaffolding LtdScaffolders
Also registered at this address
1 other company uses the same registered office as Ecocool Ltd.
- Gadget Repair Centre LtdMachinery repair and installation
What happens if Ecocool 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15305285
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2023 (2 years ago)
- Registered office
- 18 the Avenue, Rayners Lane, Pinner, HA5 5BL
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 22 November 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 Pinner
Other active plumbing and heating companies registered in Pinner.
- Firmus Heat Limited2011
- Green Berry Plumbers Limited2024
- Heatplumb Ltd2012
- Heywood Heating Limited2007
- I-General Construct Ltd2014
- Lwo Heating Services Ltd2020
- M&S Mechanical Engineering Limited2015
- Mayo Gas Plumbing & Heating Ltd2014
All plumbing and heating companies in Pinner · All trades in Pinner · Plumbers and heating engineers across the UK
Frequently asked questions
When are Ecocool Ltd's accounts due?
Ecocool Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Ecocool Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Ecocool Ltd still trading?
Ecocool 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 Ecocool Ltd do?
Ecocool Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ecocool Ltd?
Ecocool Ltd was incorporated on 23 November 2023, 2 years ago.
What is the penalty if Ecocool 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 Ecocool 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.