- Company number
- 15715070
- Incorporated
- 11 May 20242 years trading
- Registered office
- 148 Belgrave Walk, Mitcham, CR4 3QE
- Nature of business
- Construction of commercial buildings
Tonven Ltd is a 2-year-old private limited company registered in Mitcham, company number 15715070, one of 205 building contractors in Mitcham. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 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 unchanged on the year before, at £1.
- Current assets of £521 against £520 owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £1 | £521 | £520 | 1 | |
| 31 May 2025 | £1 | £1 | 1 |
Who runs and owns Tonven Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| V*** T*** | Director | May 2024 |
Person with significant control
Where Tonven Ltd is registered
The registered office is in Mitcham (CR4), in the Merton local authority area, London. Show CR4 3QE on a map.
Other trade companies in CR4
- Mendevo LimitedFloor and wall tilers
- Az Auto Body Repair LtdMechanics and garages
- Welcome Maintenance LimitedPainters and decorators
- Fixmot LtdMechanics and garages
- MPB Property Care LtdFinishing trades
- Aoo Building Services LtdBuilders
- LDN Plumbing Heating and Cooling LimitedPlumbers and heating engineers
- Dgha Construction LtdBuilders
What happens if Tonven 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15715070
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 2024 (2 years ago)
- Registered office
- 148 Belgrave Walk, Mitcham, CR4 3QE
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 6 May 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Mitcham
Other active building contractors registered in Mitcham.
- TR Build Ltd2016
- Triada Building Ltd2020
- Trinity Design & Build (London) Ltd2025
- Twolines Ltd2024
- V&N Services Ltd2021
- Vata Home Construction Ltd2023
- Vereya Ltd2018
- Versecraft Construction Limited2025
All building contractors in Mitcham · All trades in Mitcham · Builders across the UK
Frequently asked questions
When are Tonven Ltd's accounts due?
Tonven Ltd's next accounts are due at Companies House by 29 February 2028 (in 505 days), covering the period to 31 May 2027.
When is Tonven Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Tonven Ltd still trading?
Tonven 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 Tonven Ltd do?
Tonven Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is Tonven Ltd?
Tonven Ltd was incorporated on 11 May 2024, 2 years ago.
Who runs Tonven Ltd?
Tonven Ltd has 1 active director, the longest-serving appointed in May 2024. Their names and service addresses are on the Companies House register.
Who owns Tonven Ltd?
One person or company has significant control of Tonven Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Tonven 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 Tonven 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.