- Companies
- Specialist contractors
- Dagenham
- Top Carbon Ltd
Top Carbon Ltd
- Company number
- 14266502
- Incorporated
- 1 Aug 20224 years trading
- Registered office
- 69 Valence Wood Road, Dagenham, Essex, RM8 3AP
- Nature of business
- Other specialised construction activities n.e.c.
Top Carbon Ltd is a 4-year-old private limited company registered in Dagenham, company number 14266502, one of 178 specialist construction companies in Dagenham. 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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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 £8,906 (+39.6%) on the year before, to £31K.
- 2 employees on average, up from 0 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 Jul 2025 | £31K | £40K | £8,360 | 2 | |
| 31 Jul 2024 | £23K | £24K | £1,696 | 0 | |
| 31 Jul 2023 | £30K | £70K | £6,944 | 0 |
Where Top Carbon Ltd is registered
The registered office is in Dagenham (RM8), in the Barking and Dagenham local authority area, London. Show RM8 3AP on a map.
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What happens if Top Carbon 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
- 14266502
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 August 2022 (4 years ago)
- Registered office
- 69 Valence Wood Road, Dagenham, Essex, RM8 3AP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 31 July 2026
- Previous names
- Eco Target Decarbonisation Ltd (until 7 Nov 2025)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Dagenham
Other active specialist construction companies registered in Dagenham.
- Tovik Ltd2026
- Tsteps Ltd2014
- Tudortech Construction Ltd2025
- Unik Company Services Ltd2016
- Unique Shopfitters Limited2018
- V16 Design & Build Limited2025
- Vac Contractors Ltd2021
- Val Utility Limited2022
All specialist construction companies in Dagenham · All trades in Dagenham · Specialist contractors across the UK
Frequently asked questions
When are Top Carbon Ltd's accounts due?
Top Carbon Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Top Carbon 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 Top Carbon Ltd still trading?
Top Carbon 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 Top Carbon Ltd do?
Top Carbon Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Top Carbon Ltd?
Top Carbon Ltd was incorporated on 1 August 2022, 4 years ago.
What is the penalty if Top Carbon 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 Top Carbon 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.