- Companies
- Specialist contractors
- London
- High ST Works Ltd
High ST Works Ltd
- Company number
- 09656947
- Incorporated
- 25 Jun 201511 years trading
- Registered office
- The Hithe, 71-75 Albion Street, London, SE16 7JA
- Nature of business
- Other specialised construction activities n.e.c.
High ST Works Ltd is a 11-year-old private limited company registered in London, company number 09656947, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £701 (-2.2%) on the year before, to -£33K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £149K against £170K owed within a year: 0.9 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 9 years, 2016 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£33K | £423 | £149K | £170K | 2 |
| 31 Dec 2023 | -£32K | £864 | £81K | £99K | 2 |
| 31 Dec 2022 | -£34K | £2,007 | £184K | £195K | 2 |
| 31 Aug 2021 | -£40K | £90K | £118K | £122K | 2 |
| 31 Aug 2020 | -£60K | £155K | £179K | 2 | |
| 31 Aug 2019 | -£75K | £28K | £125K | 0 | |
| 31 Aug 2018 | -£131K | £16K | £179K | ||
| 31 Aug 2017 | -£42K | £15K | £95K | ||
| 31 Aug 2016 | -£1,781 | £3,150 | £4,931 |
Where High ST Works Ltd is registered
The registered office is in London (SE16), in the Southwark local authority area, London. Show SE16 7JA on a map.
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Also registered at this address
1 other company uses the same registered office as High ST Works Ltd.
- Unlimited Meanwhile LtdProperty developers
What happens if High ST Works 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 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
- 09656947
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2015 (11 years ago)
- Registered office
- The Hithe, 71-75 Albion Street, London, SE16 7JA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 25 June 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 London
Other active specialist construction companies registered in London.
- Highlife(UK) Limited2011
- Highline Services Ltd2017
- Highmark Construction Limited2026
- Highmark Property Group Ltd2026
- Hill Mathieson Construction Ltd2015
- Hillingdon Fencing Company Limited1993
- Hinchest (Holdings) Limited2020
- Hivecraft London Ltd2024
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are High ST Works Ltd's accounts due?
High ST Works Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is High ST Works 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 31 December 2025, due by 31 December 2026, 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 High ST Works Ltd still trading?
High ST Works 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 High ST Works Ltd do?
High ST Works Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is High ST Works Ltd?
High ST Works Ltd was incorporated on 25 June 2015, 11 years ago.
What is the penalty if High ST Works 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 High ST Works 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.