- Company number
- 12678498
- Incorporated
- 17 Jun 20206 years trading
- Registered office
- Mercury House, 19-21 Chapel Street, Marlow, Bucks, SL7 3HN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Tto Construction Ltd is a 6-year-old private limited company registered in Marlow, company number 12678498, one of 63 building contractors in Marlow. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 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 £5,850 (+29.9%) on the year before, to -£14K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £5,561 against £19K owed within a year: 0.3 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 | -£14K | £5,561 | £19K | 1 | |
| 31 Mar 2024 | -£20K | £4,662 | £24K | 1 | |
| 31 Mar 2023 | -£15K | £4,257 | £20K | 1 | |
| 31 Mar 2022 | £12K | £26K | £15K | 1 | |
| 31 Mar 2021 | £2,267 | £16K | £14K | 2 |
Who runs and owns Tto Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** O*** | Director | Mar 2021 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** B*** | Director | Jun 2020 | Mar 2021 |
| W*** D*** | Director | Jun 2020 | Mar 2021 |
Person with significant control
Where Tto Construction Ltd is registered
The registered office is in Marlow (SL7), in the Buckinghamshire local authority area, South East. Show SL7 3HN on a map.
Other trade companies in SL7
- Seascot Consultancy LtdFinishing trades
- Cristo Estates LtdProperty developers
- Property Construction Specialists LtdBuilders
- Onyx Works LimitedFinishing trades
- NLR Strategic Land Co LimitedProperty developers
- Axis Commercial Projects LimitedBuilders
- Priority Callout Services LtdMachinery repair and installation
- Clayhill Constructions LtdBuilders
Also registered at this address
13 other companies use the same registered office as Tto Construction Ltd.
- Alturn LimitedCivil engineering
- Aquaflow Solutions LimitedPlumbers and heating engineers
- Clean2Gleam LimitedCleaning companies
- Clean2Gleam Marine LimitedCleaning companies
- Gareth Edwards Electrics LimitedElectricians
- Kirk Real Estate LtdProperty developers
- M.H. Estates Ltd.Property developers
- Net Zero Projects LimitedSpecialist contractors
- PJM Decorators LimitedPainters and decorators
- R&M Construction Services LimitedElectricians
- Silkwood Developments LimitedProperty developers
- The Desired House LtdProperty developers
- Verdant Solutions LimitedSpecialist contractors
What happens if Tto 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 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 | 31 Mar 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 | 30 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
- 12678498
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2020 (6 years ago)
- Registered office
- Mercury House, 19-21 Chapel Street, Marlow, Bucks, SL7 3HN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 16 June 2026
- Previous names
- Michael William Construction Ltd (until 5 May 2021)
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 Marlow
Other active building contractors registered in Marlow.
- Vestra Global Sourcing UK Ltd2023
- Willingcott Construction Limited2021
- 101 Construction & Landscaping Ltd2020
- Ab Construction Services Limited2025
- Ab Design-Build Ltd2025
- Alex Jones Home Renovations Limited2025
- Ardgowan Homes (South East) Ltd2021
- Axis Commercial Projects Limited2026
All building contractors in Marlow · All trades in Marlow · Builders across the UK
Frequently asked questions
When are Tto Construction Ltd's accounts due?
Tto Construction Ltd's next accounts are due at Companies House by 30 December 2026 (in 79 days), covering the period to 30 March 2026.
When is Tto Construction Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Tto Construction Ltd still trading?
Tto Construction 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 Tto Construction Ltd do?
Tto Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Tto Construction Ltd?
Tto Construction Ltd was incorporated on 17 June 2020, 6 years ago.
Who runs Tto Construction Ltd?
Tto Construction Ltd has 1 active director, the longest-serving appointed in Mar 2021. Their names and service addresses are on the Companies House register.
Who owns Tto Construction Ltd?
One person or company has significant control of Tto Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Tto 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 Tto Construction 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.