- Companies
- Specialist contractors
- Southampton
- A S D South Limited
A S D South Limited
- Company number
- 03301145
- Incorporated
- 13 Jan 199729 years trading
- Registered office
- 5 Saint Denys Road, Southampton, Hampshire, SO17 2GN
- Nature of business
- Other specialised construction activities n.e.c.
A S D South Limited is a 29-year-old private limited company registered in Southampton, company number 03301145, one of 202 specialist construction companies in Southampton. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for A S D South LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £17K (-23.9%) on the year before, to -£88K.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £8,500 against £134K owed within a year: 0.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£88K | £8,500 | £134K | 0 | |
| 31 Jan 2024 | -£71K | £10K | £131K | 0 | |
| 31 Jan 2023 | -£73K | £9,002 | £86K | 0 | |
| 31 Jan 2022 | -£74K | £8,075 | £87K | 0 | |
| 31 Jan 2021 | -£72K | £8,977 | £88K | 0 | |
| 31 Jan 2020 | -£70K | £7,512 | £87K | 0 | |
| 31 Jan 2019 | -£68K | £7,243 | £87K | 0 | |
| 31 Jan 2018 | -£68K | £7,719 | £89K | 0 | |
| 31 Jan 2017 | -£64K | £1,792 | £8,963 | £88K | 0 |
| 31 Jan 2016 | -£61K | £1,198 | £7,901 | £2,206 |
Where A S D South Limited is registered
The registered office is in Southampton (SO17), in the Southampton local authority area, South East. Show SO17 2GN on a map.
Other trade companies in SO17
- Vip Crystal LtdFacilities management
- KTNR LimitedBuilders
- SVS Civil Engineering LtdBuilders
- Solent Auto Group LimitedMotor traders
- Portswood Car Wash LtdCleaning companies
- Ranjit Singh Constructions LimitedBuilders
- Khangura Global LimitedBuilders
- Frontline Builder LtdBuilders
What happens if A S D South 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 03301145
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 1997 (29 years ago)
- Registered office
- 5 Saint Denys Road, Southampton, Hampshire, SO17 2GN
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 13 January 2026
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.
- A.W. Berry Developments Ltd2026
- Acer Renovations Ltd2011
- Advanced Services (Southampton) Limited2007
- Ae Racking Installations Ltd2015
- Alemco Heating Services Limited2019
- Aliport Structures Limited2009
- Allied Maintenance Ltd2026
- Ams Developers Ltd2025
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are A S D South Limited's accounts due?
A S D South Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is A S D South Limited's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is A S D South Limited still trading?
A S D South 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 A S D South Limited do?
A S D South Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is A S D South Limited?
A S D South Limited was incorporated on 13 January 1997, 29 years ago.
What is the penalty if A S D South 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 A S D South 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.