- Companies
- Specialist contractors
- Southampton
- CDT Construction Limited
CDT Construction Limited
- Company number
- 08656963
- Incorporated
- 20 Aug 201313 years trading
- Registered office
- 10 Deeble Way, Netley, Southampton, Hampshire, SO31 5JP
- Nature of business
- Other specialised construction activities n.e.c.
CDT Construction Limited is a 13-year-old private limited company registered in Southampton, company number 08656963, one of 202 specialist construction companies in Southampton. Its next accounts are due at Companies House on 31 May 2028, and the CT600 for the period to 31 August 2027 is due at HMRC on 31 August 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 down £2,097 (-89.2%) on the year before, to £255.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £8,777 against £12K owed within a year: 0.7 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2026 | £255 | £8,777 | £12K | 0 | |
| 31 Aug 2025 | £2,352 | £10K | £12K | 0 | |
| 31 Aug 2024 | £5,583 | £12K | £21K | £13K | 1 |
| 31 Aug 2023 | £1,248 | £2,387 | £19K | £13K | 1 |
| 31 Aug 2022 | £258 | £2,568 | £18K | £11K | 1 |
| 31 Aug 2021 | £379 | £9,589 | £23K | £14K | 1 |
| 31 Aug 2020 | £5,689 | £24K | £29K | £17K | 1 |
| 31 Aug 2019 | £10K | £8,255 | £17K | £13K | 1 |
| 31 Aug 2018 | £640 | £3,325 | £20K | £23K | 1 |
| 31 Aug 2017 | £355 | £26K | £47K | £42K | 1 |
Where CDT Construction Limited is registered
The registered office is in Southampton (SO31), in the Eastleigh local authority area, South East. Show SO31 5JP on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if CDT Construction 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 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2028 to 30 Jun 2028 | £150 |
| 1 to 3 months late | 1 Jul 2028 to 31 Aug 2028 | £375 |
| 3 to 6 months late | 1 Sep 2028 to 30 Nov 2028 | £750 |
| More than 6 months late | From 1 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 08656963
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 August 2013 (13 years ago)
- Registered office
- 10 Deeble Way, Netley, Southampton, Hampshire, SO31 5JP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2026
- Last confirmation statement
- 9 December 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 Southampton
Other active specialist construction companies registered in Southampton.
- Chambers Composites Ltd2026
- Chameleon Brick Services Limited2009
- Charlecote Estates Limited2010
- Chevron Paving Ltd2021
- Citadel Civil Engineering Consultancy Ltd2015
- Coastline Facilities Support Services Limited2018
- Conson Projects Ltd2021
- Constructii Denis Ltd2022
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are CDT Construction Limited's accounts due?
CDT Construction Limited's next accounts are due at Companies House by 31 May 2028 (in 597 days), covering the period to 31 August 2027.
When is CDT Construction Limited's CT600 due?
The CT600 for the period to 31 August 2027 is due at HMRC by 31 August 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2028.
Is CDT Construction Limited still trading?
CDT Construction 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 CDT Construction Limited do?
CDT Construction Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is CDT Construction Limited?
CDT Construction Limited was incorporated on 20 August 2013, 13 years ago.
What is the penalty if CDT Construction 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 CDT Construction 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.