- Companies
- Property developers
- Upminster
- Tsa SX Ltd
Tsa SX Ltd
- Company number
- 11249424
- Incorporated
- 11 Mar 20188 years trading
- Registered office
- 9 Corbets Tey Road, Upminster, RM14 2AP
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Tsa SX Ltd is a 8-year-old private limited company registered in Upminster, company number 11249424, one of 60 property development companies in Upminster. 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 down £852 (-16.1%) on the year before, to -£6,157.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- Current assets of £45K against £149K owed within a year: 0.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£6,157 | £45K | £149K | 1 | |
| 31 Mar 2024 | -£5,305 | £45K | £148K | 1 | |
| 31 Mar 2023 | -£4,593 | £136K | £241K | 1 | |
| 31 Mar 2022 | -£3,753 | £387 | £31K | £132K | 2 |
| 31 Mar 2021 | -£2,690 | £410 | £150K | £209K | 2 |
| 31 Mar 2020 | -£1,200 | £2,041 | £22K | £121K | |
| 31 Mar 2019 | £100 | £100 |
Where Tsa SX Ltd is registered
The registered office is in Upminster (RM14), in the Havering local authority area, London. Show RM14 2AP on a map.
Other trade companies in RM14
- Bobofresh LtdCleaning companies
- HTS Construction LtdBuilders
- We Fix Energy LtdCivil engineering
- ZH Services LtdBuilders
- Ragasan LimitedBuilders
- Your Serve LtdCleaning companies
- LC Engineering LtdMachinery repair and installation
- Caat Interiors LtdInstallers
Shared registered office
41 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 Tsa SX 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
- 11249424
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2018 (8 years ago)
- Registered office
- 9 Corbets Tey Road, Upminster, RM14 2AP
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 March 2026
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 Upminster
Other active property development companies registered in Upminster.
- Tuck & Ke Ltd2012
- Valence Groundwork and Paving Ltd2017
- Validus Property Developments Limited2014
- Validus Property Holdings Limited2016
- Willowbridge Construction Ltd2026
- A. Allisters Limited2023
- Amp PMS Group Ltd2023
- Ashvale Construction Services Ltd2020
All property development companies in Upminster · All trades in Upminster · Property developers across the UK
Frequently asked questions
When are Tsa SX Ltd's accounts due?
Tsa SX Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Tsa SX 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 Tsa SX Ltd still trading?
Tsa SX 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 Tsa SX Ltd do?
Tsa SX Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Tsa SX Ltd?
Tsa SX Ltd was incorporated on 11 March 2018, 8 years ago.
What is the penalty if Tsa SX 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 Tsa SX 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.