- Companies
- Civil engineering
- Middlesbrough
- Dsween Renewables Ltd
Dsween Renewables Ltd
- Company number
- 16899635
- Incorporated
- 9 Dec 2025
- Registered office
- 16 Middlesbrough, Bowley Walk, Middlesbrough, Cleveland, TS1 5NB
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other construction installation
Dsween Renewables Ltd is a newly incorporated private limited company registered in Middlesbrough, company number 16899635, one of 101 civil engineering contractors in Middlesbrough. Its next accounts are due at Companies House on 9 September 2027, and its first CT600 is due at HMRC on 8 December 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Dsween Renewables Ltd is registered
The registered office is in Middlesbrough (TS1), in the Middlesbrough local authority area, North East. Show TS1 5NB on a map.
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What happens if Dsween Renewables 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 9 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Sep 2027 to 9 Oct 2027 | £150 |
| 1 to 3 months late | 10 Oct 2027 to 9 Dec 2027 | £375 |
| 3 to 6 months late | 10 Dec 2027 to 9 Mar 2028 | £750 |
| More than 6 months late | From 10 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 16899635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 December 2025
- Registered office
- 16 Middlesbrough, Bowley Walk, Middlesbrough, Cleveland, TS1 5NB
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other construction installation (SIC 43290) - Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
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 Middlesbrough
Other active civil engineering contractors registered in Middlesbrough.
- Eco Fencing (London) Limited2016
- Edgenet Ltd2023
- Ef Contractors Ltd2024
- Emmajid Ventures Limited2016
- Engtech Pro Ltd2026
- Eos Devco Limited2016
- Eph Engineering Ltd2021
- Eva Risk Limited2024
All civil engineering contractors in Middlesbrough · All trades in Middlesbrough · Civil engineering across the UK
Frequently asked questions
When are Dsween Renewables Ltd's accounts due?
Dsween Renewables Ltd's next accounts are due at Companies House by 9 September 2027 (in 332 days), covering the period to 31 December 2026.
When is Dsween Renewables Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 December 2026, due by 8 December 2027, and one for the period to 31 December 2026, due by 31 December 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dsween Renewables Ltd still trading?
Dsween Renewables 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 Dsween Renewables Ltd do?
Dsween Renewables Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other construction installation (SIC 43290).
How old is Dsween Renewables Ltd?
Dsween Renewables Ltd was incorporated on 9 December 2025, less than a year ago.
What is the penalty if Dsween Renewables 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 Dsween Renewables 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.