TSC South Ltd
- Company number
- 11160223
- Incorporated
- 19 Jan 20188 years trading
- Registered office
- The Old Foundry Jolliffe Yard, 233 London Road North, Merstham, Surrey, RH1 3BN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
TSC South Ltd is a 8-year-old private limited company registered in Merstham, company number 11160223, one of the UK's building contractors. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for TSC South LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £2.3M (+816%) on the year before, to £2.5M.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £3.5M against £624K owed within a year: 5.7 times cover.
- 5 employees on average, down from 6 the year before.
- 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 | £2.5M | £28K | £3.5M | £624K | 5 |
| 31 Mar 2024 | £276K | £41K | £929K | £443K | 6 |
| 31 Mar 2023 | £463K | £40K | £871K | £368K | 0 |
| 31 Mar 2022 | £203K | £56K | £528K | £279K | 0 |
| 31 Mar 2021 | £116K | £243K | £2.3M | £2.2M | 3 |
| 31 Mar 2020 | £117K | £39K | £1.9M | £1.7M | 2 |
| 31 Mar 2019 | £27K | £102K | £2.1M | £2.1M | 2 |
Where TSC South Ltd is registered
The registered office is in Merstham (RH1), in the Reigate and Banstead local authority area, South East. Show RH1 3BN on a map.
Other trade companies in RH1
- Willows Property Services LtdCleaning companies
- Rustic Civil LtdBuilders
- Redmeres LtdInstallers
- CTC Maintenance Services LtdPainters and decorators
- Mercury Mechanical LimitedElectricians
- Gotoroofingandguttering LtdRoofers
- Fine Cut Carpentry and Construction LimitedInstallers
- Sixes Carpentry LimitedJoiners and carpenters
Also registered at this address
9 other companies use the same registered office as TSC South Ltd.
- 6 CVR Ventures LtdProperty developers
- Bellst2021 LtdProperty developers
- Davidson Road Ventures LtdProperty developers
- Graham Steel LtdProperty developers
- Hill Road Ventures LtdProperty developers
- Norkway 2022 LtdProperty developers
- Parkwood 2024 LtdProperty developers
- Trinity Square Developments LtdBuilders
- Woodcote Ventures LtdProperty developers
What happens if TSC South 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
- 11160223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 January 2018 (8 years ago)
- Registered office
- The Old Foundry Jolliffe Yard, 233 London Road North, Merstham, Surrey, RH1 3BN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 December 2025
- Previous names
- Trinity Square Construction Ltd (until 24 Jul 2019)
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
Other active building contractors.
Frequently asked questions
When are TSC South Ltd's accounts due?
TSC South 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 TSC South 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 TSC South Ltd still trading?
TSC South 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 TSC South Ltd do?
TSC South Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is TSC South Ltd?
TSC South Ltd was incorporated on 19 January 2018, 8 years ago.
What is the penalty if TSC South 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 TSC South 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.