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- Traction Power Engineering Ltd
Company profile · Civil engineering
Traction Power Engineering Ltd
Traction Power Engineering Ltd is a 6-year-old private limited company registered in London, company number 12734663, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 July 2025, as filed at Companies House.
Traction Power Engineering Ltd over the years
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 £404 (+146.9%) on the year before, to £679.
- Current assets of £14K against £49K owed within a year: 0.3 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 3 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £679 | £14K | £49K | 4 | |
| 31 Jul 2024 | £275 | £11K | £28K | 4 | |
| 31 Jul 2021 | £14K | £46K | £35K | 2 |
Where Traction Power Engineering Ltd is registered
The registered office is in London (SE15), in the Southwark local authority area, London. Show SE15 6AD on a map.
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What happens if Traction Power Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12734663
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 July 2020 (6 years ago)
- Registered office
- 50 Carisbrooke Gardens, Peckham, London, SE15 6AD
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Management consultancy activities other than financial management (SIC 70229) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 5 July 2026
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 London
Other active civil engineering contractors registered in London.
- Trade Plant Services Ltd2026
- Tradeline Construction Limited2009
- Traffic Iq Limited2025
- Traffic Management Guides Ltd2025
- Traffic Workforce Management Ltd2024
- Transformation Investments Limited2023
- Trent Energy Limited2010
- Triex Limited2018
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Traction Power Engineering Ltd's accounts due?
Traction Power Engineering Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Traction Power Engineering Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Traction Power Engineering Ltd still trading?
Traction Power Engineering 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 Traction Power Engineering Ltd do?
Traction Power Engineering Ltd is registered under Construction of railways and underground railways (SIC 42120); Management consultancy activities other than financial management (SIC 70229).
How old is Traction Power Engineering Ltd?
Traction Power Engineering Ltd was incorporated on 10 July 2020, 6 years ago.
What is the penalty if Traction Power Engineering 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 Traction Power Engineering 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.