- Companies
- Machinery repair and installation
- Borehamwood
- Running Cool Limited
Running Cool Limited
- Company number
- 13901456
- Incorporated
- 8 Feb 20224 years trading
- Registered office
- Langley House, 53 Theobald Street, Borehamwood, WD6 4RT
- Nature of business
- Repair of other equipment; Other building completion and finishing
Running Cool Limited is a 4-year-old private limited company registered in Borehamwood, company number 13901456, one of 25 machinery repair and installation companies in Borehamwood. Its next accounts are due at Companies House on 26 November 2026, and the CT600 for the period to 26 February 2026 is due at HMRC on 26 February 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 £1,607 (-2.1%) on the year before, to £74K.
- Current assets of £239K against £176K owed within a year: 1.4 times cover.
- 8 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £74K | £239K | £176K | 8 | |
| 29 Feb 2024 | £75K | £224K | £168K | 8 | |
| 28 Feb 2023 | £50K | £105K | £68K | 7 |
Where Running Cool Limited is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 4RT on a map.
Other trade companies in WD6
- Blackstone Builders LtdBuilders
- Clements Hall (Contracts) LtdFloor and wall tilers
- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
Shared registered office
57 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 Running Cool Limited 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Feb 2027 | £200 |
| 3 months late | 26 May 2027 | another £200 |
| 6 months late | 26 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Feb 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
- 13901456
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2022 (4 years ago)
- Registered office
- Langley House, 53 Theobald Street, Borehamwood, WD6 4RT
- Nature of business
- Repair of other equipment (SIC 33190)
Other building completion and finishing (SIC 43390) - Year end
- 26 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 7 February 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 Borehamwood
Other active machinery repair and installation companies registered in Borehamwood.
- Sas Agri Limited2011
- Snow Cool Ref & Air Condition Engineering Ltd2023
- The Complete Hydraulic Service Ltd2025
- The Complete Plant Service Ltd2025
- The Complete Truck Service Limited2025
- Vineks Engineering Limited2009
- Arranmead Limited2013
- Besjoe Limited2024
All machinery repair and installation companies in Borehamwood · All trades in Borehamwood · Machinery repair and installation across the UK
Frequently asked questions
When are Running Cool Limited's accounts due?
Running Cool Limited's next accounts are due at Companies House by 26 November 2026 (in 44 days), covering the period to 26 February 2026.
When is Running Cool Limited's CT600 due?
The CT600 for the period to 26 February 2026 is due at HMRC by 26 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 November 2026.
Is Running Cool Limited still trading?
Running Cool Limited 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 Running Cool Limited do?
Running Cool Limited is registered under Repair of other equipment (SIC 33190); Other building completion and finishing (SIC 43390).
How old is Running Cool Limited?
Running Cool Limited was incorporated on 8 February 2022, 4 years ago.
What is the penalty if Running Cool Limited 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 Running Cool Limited 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.