- Companies
- Specialist contractors
- London
- Msu Construction Ltd
Msu Construction Ltd
- Company number
- 12825131
- Incorporated
- 19 Aug 20206 years trading
- Registered office
- 46 Hamilton Road, London, N2 0SW
- Nature of business
- Other specialised construction activities n.e.c.
Msu Construction Ltd is a 6-year-old private limited company registered in London, company number 12825131, one of 4,318 specialist construction companies in London. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
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 up £2,731 (+30.9%) on the year before, to £12K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £12K against £23K owed within a year: 0.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £12K | £12K | £23K | 1 | |
| 31 Mar 2024 | £8,824 | £10K | £19K | 1 | |
| 31 Mar 2023 | £4,380 | £8,902 | £14K | 3 | |
| 31 Mar 2022 | -£20K | £19K | £41K | 2 | |
| 31 Mar 2021 | £767 | £2,332 | £1,565 | 0 |
Where Msu Construction Ltd is registered
The registered office is in London (N2), in the Barnet local authority area, London. Show N2 0SW on a map.
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Also registered at this address
1 other company uses the same registered office as Msu Construction Ltd.
- Londhome LtdGroundworks and demolition
What happens if Msu Construction 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
- 12825131
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 August 2020 (6 years ago)
- Registered office
- 46 Hamilton Road, London, N2 0SW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 August 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 London
Other active specialist construction companies registered in London.
- MT Marian Construction Limited2026
- MTL Construction Ltd2014
- Mubaj Consulting Limited2014
- Mulheron Engineering Ltd2025
- Mulkeen Construction & Engineering Services Limited2006
- Mullahomes Ltd2011
- Mullee Associates Limited2013
- Multi Functional Construction Ltd2023
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Msu Construction Ltd's accounts due?
Msu Construction Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Msu Construction Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Msu Construction Ltd still trading?
Msu Construction Ltd is listed as active on the Companies House register (checked 12 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 Msu Construction Ltd do?
Msu Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Msu Construction Ltd?
Msu Construction Ltd was incorporated on 19 August 2020, 6 years ago.
What is the penalty if Msu Construction 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 Msu Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.