- Companies
- Electricians
- Slough
- Coolplanet Ltd
Coolplanet Ltd
- Company number
- 14266099
- Incorporated
- 1 Aug 20224 years trading
- Registered office
- Flat 3, 28 Alpha Street North, Slough, Berkshire, SL1 1RB
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Coolplanet Ltd is a 4-year-old private limited company registered in Slough, company number 14266099, one of 101 electrical contractors in Slough. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 up £134 (+15.1%) on the year before, to £1,019.
- Current assets of £103 against £1,834 owed within a year: 0.1 times cover.
- 2 employees on average, up from 1 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £1,019 | £103 | £1,834 | 2 | |
| 31 Aug 2024 | £885 | £458 | £123 | 1 | |
| 31 Aug 2023 | £1,524 | £1,526 | £2 | 1 |
Who runs and owns Coolplanet Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** D*** | Director | Aug 2022 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** A*** | Director | Aug 2022 | Oct 2023 |
Person with significant control
Where Coolplanet Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 1RB on a map.
Other trade companies in SL1
- Yanky Construction LtdBuilders
- Westside Automotive LtdMotor traders
- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
- Slough Vehicle Repair Centre LtdMechanics and garages
- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
- MDN General LtdBuilders
What happens if Coolplanet 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 14266099
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2022 (4 years ago)
- Registered office
- Flat 3, 28 Alpha Street North, Slough, Berkshire, SL1 1RB
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 31 July 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Slough
Other active electrical contractors registered in Slough.
- Cube Interiors & Refurbishment Ltd2018
- D. James Graham Electrical Ltd2018
- Dalectrics Ltd2024
- DB Electrical Services (Berks) Ltd2026
- Ekon Electrics Ltd2026
- Electragas Ltd2005
- Ephs Ltd2006
- Etech Electrical Contractors Ltd2020
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are Coolplanet Ltd's accounts due?
Coolplanet Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Coolplanet Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Coolplanet Ltd still trading?
Coolplanet Ltd is listed as active on the Companies House register (checked 12 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 Coolplanet Ltd do?
Coolplanet Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Coolplanet Ltd?
Coolplanet Ltd was incorporated on 1 August 2022, 4 years ago.
Who runs Coolplanet Ltd?
Coolplanet Ltd has 1 active director, the longest-serving appointed in Aug 2022. Their names and service addresses are on the Companies House register.
Who owns Coolplanet Ltd?
One person or company has significant control of Coolplanet Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Coolplanet 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 Coolplanet Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.