- Companies
- Builders
- Northampton
- Triocon Limited
Triocon Limited
- Company number
- 13654987
- Incorporated
- 30 Sep 20215 years trading
- Registered office
- 25 Mapperley Drive, Northampton, NN3 9UF
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Triocon Limited is a 5-year-old private limited company registered in Northampton, company number 13654987, one of 586 building contractors in Northampton. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £31K (+44%) on the year before, to £102K.
- Net assets rose in 3 of 3 year-on-year comparisons on record.
- Current assets of £87K against £15K owed within a year: 5.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £102K | £33K | £87K | £15K | 0 |
| 30 Sep 2024 | £71K | £37K | £59K | £12K | 0 |
| 30 Sep 2023 | £29K | £28K | £1,646 | 0 | |
| 30 Sep 2022 | £11K | £12K | £521 | 0 |
Who runs and owns Triocon Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| O*** T*** | Director | Oct 2021 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| P*** T*** | Director | Sep 2021 | Oct 2021 |
Person with significant control
Where Triocon Limited is registered
The registered office is in Northampton (NN3), in the West Northamptonshire local authority area, East Midlands. Show NN3 9UF on a map.
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What happens if Triocon Limited 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 13654987
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2021 (5 years ago)
- Registered office
- 25 Mapperley Drive, Northampton, NN3 9UF
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 15 October 2025
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 Northampton
Other active building contractors registered in Northampton.
- Truebeam Ltd2025
- TSK@K Ltd2016
- UK Connekt Ltd2018
- Ursu I.A. Ltd2020
- V I Prestige Ltd2025
- V&I Brickwork Ltd2022
- V&P Project Ltd2024
- V.C. Brickwork Ltd2024
All building contractors in Northampton · All trades in Northampton · Builders across the UK
Frequently asked questions
When are Triocon Limited's accounts due?
Triocon Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Triocon Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Triocon Limited still trading?
Triocon Limited 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 Triocon Limited do?
Triocon Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Triocon Limited?
Triocon Limited was incorporated on 30 September 2021, 5 years ago.
Who runs Triocon Limited?
Triocon Limited has 1 active director, the longest-serving appointed in Oct 2021. Their names and service addresses are on the Companies House register.
Who owns Triocon Limited?
One person or company has significant control of Triocon Limited: an individual (owns 75% or more of the shares).
What is the penalty if Triocon Limited 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 Triocon Limited 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.