- Companies
- Civil engineering
- Nottingham
- SDT Solutions Limited
SDT Solutions Limited
- Company number
- 16279503
- Incorporated
- 26 Feb 20251 year trading
- Registered office
- C/O Atkinson Evans Limited the Old Drill Hall, 10 Arnot Hill Road, Nottingham, Nottinghamshire, NG5 6LJ
- Nature of business
- Construction of water projects
SDT Solutions Limited is a 1-year-old private limited company registered in Nottingham, company number 16279503, one of 129 civil engineering contractors in Nottingham. Its next accounts are due at Companies House on 26 November 2026, and its first CT600 is due at HMRC on 25 February 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 SDT Solutions Limited is registered
The registered office is in Nottingham (NG5), in the Gedling local authority area, East Midlands. Show NG5 6LJ on a map.
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Also registered at this address
14 other companies use the same registered office as SDT Solutions Limited.
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What happens if SDT Solutions 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16279503
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 February 2025 (1 year ago)
- Registered office
- C/O Atkinson Evans Limited the Old Drill Hall, 10 Arnot Hill Road, Nottingham, Nottinghamshire, NG5 6LJ
- Nature of business
- Construction of water projects (SIC 42910)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 25 February 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 Nottingham
Other active civil engineering contractors registered in Nottingham.
- Solar Peak Renewables Ltd2024
- SS Construction & Groundwork Limited2024
- Stam Construction Limited1999
- Strata Joinery Limited2023
- Sustainable Design and Engineering Consultants Ltd2026
- Swimming Pool Contractors (UK) Limited2014
- TDM Engineering & Surveying Limited2014
- Teath Construction Limited2024
All civil engineering contractors in Nottingham · All trades in Nottingham · Civil engineering across the UK
Frequently asked questions
When are SDT Solutions Limited's accounts due?
SDT Solutions Limited's next accounts are due at Companies House by 26 November 2026 (in 45 days), covering the period to 31 March 2026.
When is SDT Solutions Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 February 2026, due by 25 February 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is SDT Solutions Limited still trading?
SDT Solutions 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 SDT Solutions Limited do?
SDT Solutions Limited is registered under Construction of water projects (SIC 42910).
How old is SDT Solutions Limited?
SDT Solutions Limited was incorporated on 26 February 2025, 1 year ago.
What is the penalty if SDT Solutions 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 SDT Solutions 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.