- Companies
- Machinery repair and installation
- Stanmore
- Merlin Cooling Systems Ltd
Merlin Cooling Systems Ltd
- Company number
- 11280867
- Incorporated
- 28 Mar 20188 years trading
- Registered office
- Devonshire House, Honeypot Lane, Stanmore, HA7 1JS
- Nature of business
- Repair of machinery
Merlin Cooling Systems Ltd is a 8-year-old private limited company registered in Stanmore, company number 11280867, one of 17 machinery repair and installation companies in Stanmore. 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 down £1,562 (-7.6%) on the year before, to -£22K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £2,821 against £26K owed within a year: 0.1 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 8 years, 2019 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£22K | £2,821 | £26K | 2 | |
| 31 Mar 2025 | -£21K | £5,445 | £25K | 1 | |
| 31 Mar 2024 | -£16K | £14K | £23K | 1 | |
| 31 Mar 2023 | -£17K | £14K | £24K | 1 | |
| 31 Mar 2022 | -£17K | £58K | £70K | 1 | |
| 31 Mar 2021 | -£9,851 | £5,874 | £12K | 1 | |
| 31 Mar 2020 | -£6,873 | £6,751 | £14K | 1 | |
| 31 Mar 2019 | -£9,028 | £1,409 | £10K | 1 |
Where Merlin Cooling Systems Ltd is registered
The registered office is in Stanmore (HA7), in the Harrow local authority area, London. Show HA7 1JS on a map.
Other trade companies in HA7
- Vatra Developments LtdBuilders
- Air and Waves LtdPlumbers and heating engineers
- R & R Building Services LtdFinishing trades
- Berculean BBV Ltd LtdBuilders
- Velorent LtdMotor traders
- Autex LtdMechanics and garages
- TH Motorcycles LtdMotor traders
- Ady Painting and Decorating LtdInstallers
Shared registered office
113 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 Merlin Cooling Systems 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
- 11280867
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 March 2018 (8 years ago)
- Registered office
- Devonshire House, Honeypot Lane, Stanmore, HA7 1JS
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 1 April 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Stanmore
Other active machinery repair and installation companies registered in Stanmore.
- Mesateq Ltd2013
- Pascall Weldfab Limited2014
- R&J Engineering Solutions Limited2014
- Shiraz Safe Electrical Ltd2024
- Stairlift Recycling Ltd2013
- Streamline Accident Repair Centre Limited2001
- Total Tyres Ltd2025
- Totallyplant.Com Limited2009
All machinery repair and installation companies in Stanmore · All trades in Stanmore · Machinery repair and installation across the UK
Frequently asked questions
When are Merlin Cooling Systems Ltd's accounts due?
Merlin Cooling Systems 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 Merlin Cooling Systems 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 Merlin Cooling Systems Ltd still trading?
Merlin Cooling Systems 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 Merlin Cooling Systems Ltd do?
Merlin Cooling Systems Ltd is registered under Repair of machinery (SIC 33120).
How old is Merlin Cooling Systems Ltd?
Merlin Cooling Systems Ltd was incorporated on 28 March 2018, 8 years ago.
What is the penalty if Merlin Cooling Systems 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 Merlin Cooling Systems 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.