- Companies
- Property developers
- London
- Maintx Ltd
Maintx Ltd
- Company number
- 16725924
- Incorporated
- 18 Sep 20251 year trading
- Registered office
- River Bank House, 1 Putney Bridge Approach, London, SW6 3JD
- Nature of business
- Development of building projects; Construction of domestic buildings
Maintx Ltd is a 1-year-old private limited company registered in London, company number 16725924, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 18 June 2027, and its first CT600 is due at HMRC on 17 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Maintx Ltd is registered
The registered office is in London (SW6), in the Hammersmith and Fulham local authority area, London. Show SW6 3JD on a map.
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- R&L Building Projects LtdBuilders
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Also registered at this address
1 other company uses the same registered office as Maintx Ltd.
- Lazur Design LtdElectricians
What happens if Maintx 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 18 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Jun 2027 to 18 Jul 2027 | £150 |
| 1 to 3 months late | 19 Jul 2027 to 18 Sep 2027 | £375 |
| 3 to 6 months late | 19 Sep 2027 to 18 Dec 2027 | £750 |
| More than 6 months late | From 19 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16725924
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2025 (1 year ago)
- Registered office
- River Bank House, 1 Putney Bridge Approach, London, SW6 3JD
- Nature of business
- Development of building projects (SIC 41100)
Construction of domestic buildings (SIC 41202) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in London
Other active property development companies registered in London.
- Maisk Developments Ltd2025
- Maison Jeune Titles Limited2025
- Maison Jeune Limited2024
- Maison Prestige Limited2026
- Maison Unique Ltd2019
- Maize Ltd2026
- Maizehomes Ltd2026
- Majan Development Limited2024
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Maintx Ltd's accounts due?
Maintx Ltd's next accounts are due at Companies House by 18 June 2027 (in 248 days), covering the period to 30 September 2026.
When is Maintx 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 17 September 2026, due by 17 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Maintx Ltd still trading?
Maintx Ltd is listed as active on the Companies House register (checked 13 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 Maintx Ltd do?
Maintx Ltd is registered under Development of building projects (SIC 41100); Construction of domestic buildings (SIC 41202).
How old is Maintx Ltd?
Maintx Ltd was incorporated on 18 September 2025, 1 year ago.
What is the penalty if Maintx 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 Maintx Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.