- Companies
- Civil engineering
- London
- Wasmis Ltd
Wasmis Ltd
- Company number
- 15080877
- Incorporated
- 18 Aug 20233 years trading
- Registered office
- Flat 5, Birch House, Flat 5, Tulse Hill, London, SW2 2ET
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.
Wasmis Ltd is a 3-year-old private limited company registered in London, company number 15080877, one of 1,853 civil engineering contractors in London. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 Wasmis LtdOr 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 £1,898 (-22.2%) on the year before, to £6,655.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £6,655 | £6,893 | 1 | ||
| 31 Aug 2024 | £8,553 | £8,553 | 1 |
Where Wasmis Ltd is registered
The registered office is in London (SW2), in the Lambeth local authority area, London. Show SW2 2ET on a map.
Other trade companies in SW2
- Breathable Cleaning LimitedCleaning companies
- 7MH LtdSpecialist contractors
- Dragon Giveaways LtdMotor traders
- Avs Abseiling LtdCleaning companies
- Home Guard London & South East LtdRoofers
- DSB Cleaning LtdCleaning companies
- Fast&Go Clean LtdCleaning companies
- Blueforge Construction LtdSpecialist contractors
What happens if Wasmis 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15080877
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 August 2023 (3 years ago)
- Registered office
- Flat 5, Birch House, Flat 5, Tulse Hill, London, SW2 2ET
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
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 2025
- Last confirmation statement
- 17 August 2025
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 London
Other active civil engineering contractors registered in London.
- Water Drilling Solutions Ltd2022
- Water Outlet Limited2020
- Water Solutions International Ltd2015
- Waterframe Limited2005
- Wave Media Services Ltd2015
- WB4O Limited2020
- WBS Access Solutions Ltd2019
- Welford Wind Farm Limited2024
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Wasmis Ltd's accounts due?
Wasmis Ltd's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Wasmis Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Wasmis Ltd still trading?
Wasmis 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 Wasmis Ltd do?
Wasmis Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999).
How old is Wasmis Ltd?
Wasmis Ltd was incorporated on 18 August 2023, 3 years ago.
What is the penalty if Wasmis 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 Wasmis 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.