- Companies
- Plumbers and heating engineers
- Chislehurst
- Stanley Cool Mechanical Ltd
Stanley Cool Mechanical Ltd
- Company number
- 15500264
- Incorporated
- 18 Feb 20242 years trading
- Registered office
- Office 9, Bromley Lane, Chislehurst, Kent, BR7 6LH
- Nature of business
- Plumbing, heat and air-conditioning installation
Stanley Cool Mechanical Ltd is a 2-year-old private limited company registered in Chislehurst, company number 15500264, one of 33 plumbing and heating companies in Chislehurst. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Where Stanley Cool Mechanical Ltd is registered
The registered office is in Chislehurst (BR7), in the Bromley local authority area, London. Show BR7 6LH on a map.
Other trade companies in BR7
- KG Fire & Construction LtdBuilders
- Ne Car and Commericials LtdMechanics and garages
- Magac - Bespoke Renovations LimitedBuilders
- Developwise Property Group LimitedProperty developers
- Chislehurst Renovations LtdBuilders
- Integra Building Compliance LtdSpecialist contractors
- Project 10 LtdBuilders
- Perryvale Acquisition LtdProperty developers
What happens if Stanley Cool Mechanical 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15500264
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 2024 (2 years ago)
- Registered office
- Office 9, Bromley Lane, Chislehurst, Kent, BR7 6LH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 17 February 2026
- Previous names
- Stanley Cool Ltd (until 8 Apr 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 Chislehurst
Other active plumbing and heating companies registered in Chislehurst.
- Supreme Cooling Services Limited2023
- T.D Home Services Ltd2020
- 1ST Active Property Services Limited1998
- 1ST Drainclear Limited1995
- A & N Mechanical Ltd2022
- A.R.M. Mechanical Services Ltd2009
- Aspie Plumbing & Heating Ltd2021
- Beavers Mechanical Engineers Ltd2018
All plumbing and heating companies in Chislehurst · All trades in Chislehurst · Plumbers and heating engineers across the UK
Frequently asked questions
When are Stanley Cool Mechanical Ltd's accounts due?
Stanley Cool Mechanical Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Stanley Cool Mechanical Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Stanley Cool Mechanical Ltd still trading?
Stanley Cool Mechanical 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 Stanley Cool Mechanical Ltd do?
Stanley Cool Mechanical Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Stanley Cool Mechanical Ltd?
Stanley Cool Mechanical Ltd was incorporated on 18 February 2024, 2 years ago.
What is the penalty if Stanley Cool Mechanical 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 Stanley Cool Mechanical 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.