- Companies
- Civil engineering
- Manchester
- Constant Power Limited
Constant Power Limited
- Company number
- 13094319
- Incorporated
- 21 Dec 20205 years trading
- Registered office
- Thermeco, Gateway House, Manchester, M22 5WY
- Nature of business
- Construction of utility projects for electricity and telecommunications; Research and experimental development on biotechnology; Other research and experimental development on natural sciences and engineering
Constant Power Limited is a 5-year-old private limited company registered in Manchester, company number 13094319, one of 241 civil engineering contractors in Manchester. 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 unchanged on the year before, at £100.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £100 | £100 | 1 | ||
| 31 Dec 2024 | £100 | £100 | 1 | ||
| 31 Dec 2023 | £100 | £100 | |||
| 31 Dec 2022 | £100 | £100 | |||
| 31 Dec 2021 | £100 | £100 |
Where Constant Power Limited is registered
The registered office is in Manchester (M22), in the Manchester local authority area, North West. Show M22 5WY on a map.
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What happens if Constant Power 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 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
- 13094319
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 December 2020 (5 years ago)
- Registered office
- Thermeco, Gateway House, Manchester, M22 5WY
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
Research and experimental development on biotechnology (SIC 72110)
Other research and experimental development on natural sciences and engineering (SIC 72190) - Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 20 December 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Manchester
Other active civil engineering contractors registered in Manchester.
- Constructicon Limited2003
- Cora Iht Limited2016
- Coreconnex Ltd2025
- Cosmor Utilities Limited2020
- Cowie Construction Services Limited2024
- CPS Morgan Utilities Limited2026
- Crookes Walker Consulting Limited2004
- D B Civils Engineering Limited2024
All civil engineering contractors in Manchester · All trades in Manchester · Civil engineering across the UK
Frequently asked questions
When are Constant Power Limited's accounts due?
Constant Power Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Constant Power Limited'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 Constant Power Limited still trading?
Constant Power 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 Constant Power Limited do?
Constant Power Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220); Research and experimental development on biotechnology (SIC 72110); Other research and experimental development on natural sciences and engineering (SIC 72190).
How old is Constant Power Limited?
Constant Power Limited was incorporated on 21 December 2020, 5 years ago.
What is the penalty if Constant Power 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 Constant Power 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.