- Companies
- Property developers
- London
- Tarn Major Projects Ltd
Tarn Major Projects Ltd
- Company number
- 15140729
- Incorporated
- 15 Sep 20233 years trading
- Registered office
- Unit 20, the Circle, Queen Elizabeth Street, London, Greater London, SE1 2JE
- Nature of business
- Development of building projects
Tarn Major Projects Ltd is a 3-year-old private limited company registered in London, company number 15140729, one of 14,100 property development 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 £4,843 (+2.4%) on the year before, to -£195K.
- Current assets of £262K against £13M owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Mar 2025 | -£195K | £262K | £13M | 0 | |
| 31 Mar 2024 | -£200K | £1,871 | £202K | 0 |
Where Tarn Major Projects Ltd is registered
The registered office is in London (SE1), in the Southwark local authority area, London. Show SE1 2JE on a map.
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- Tapenjointers LimitedPlasterers
Shared registered office
27 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Tarn Major Projects 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
- 15140729
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2023 (3 years ago)
- Registered office
- Unit 20, the Circle, Queen Elizabeth Street, London, Greater London, SE1 2JE
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 16 June 2026
- Charges (mortgages)
- 2 outstanding of 2 registered
- Previous names
- Tarn Construction Limited (until 23 Jul 2024)
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.
- Tarvin Grotto Camping Caravanning and Fishing Ltd2021
- Tasakav Containers Ltd2018
- Tasbih Properties Ltd2022
- Tassa Ltd2023
- Tatras Development Limited2026
- Tatrawin Limited2014
- Tattenham Properties Limited1959
- Tatty Developments Ltd2020
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Tarn Major Projects Ltd's accounts due?
Tarn Major Projects 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 Tarn Major Projects 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 Tarn Major Projects Ltd still trading?
Tarn Major Projects 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 Tarn Major Projects Ltd do?
Tarn Major Projects Ltd is registered under Development of building projects (SIC 41100).
How old is Tarn Major Projects Ltd?
Tarn Major Projects Ltd was incorporated on 15 September 2023, 3 years ago.
What is the penalty if Tarn Major Projects 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 Tarn Major Projects 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.