- Companies
- Civil engineering
- Truro
- Prenn Engineering Ltd.
Prenn Engineering Ltd.
- Company number
- 14224570
- Incorporated
- 9 Jul 20224 years trading
- Registered office
- 10 Gregor Road, Truro, TR1 1AH
- Nature of business
- Construction of other civil engineering projects n.e.c.
Prenn Engineering Ltd. is a 4-year-old private limited company registered in Truro, company number 14224570, one of 21 civil engineering contractors in Truro. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £33K (+419.9%) on the year before, to £41K.
- Current assets of £30K against £19K owed within a year: 1.5 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £41K | £834 | £30K | £19K | 1 |
| 31 Jul 2024 | £7,969 | £19 | £585 | £10K | 1 |
| 31 Jul 2023 | £7,352 | £1,579 | £4,611 | £20K | 1 |
Where Prenn Engineering Ltd. is registered
The registered office is in Truro (TR1), in the Cornwall local authority area, South West. Show TR1 1AH on a map.
Other trade companies in TR1
- Wind Power Maintenance Services LtdMachinery repair and installation
- Treser Landscapes LimitedLandscapers and gardeners
- Alvan’S Painting Inc LtdPainters and decorators
- Acm Rail LtdCivil engineering
- Zest Developers SW LtdProperty developers
- Kernow Smart Repairs LtdMotor traders
- Millers Gardening & General Maintenance LtdLandscapers and gardeners
- JG Industries LtdFinishing trades
What happens if Prenn Engineering 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 14224570
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2022 (4 years ago)
- Registered office
- 10 Gregor Road, Truro, TR1 1AH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 20 June 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Truro
Other active civil engineering contractors registered in Truro.
- RBS Groundworks Limited2002
- Rhos Construction Limited1996
- Rockley Civil Engineering Limited2025
- Roseland Restoration Limited1989
- Shaftricity Group Ltd2025
- Terracarne Ltd2024
- Theobald Tarmacadam Limited2005
- W. Prowse and Son Limited1964
All civil engineering contractors in Truro · All trades in Truro · Civil engineering across the UK
Frequently asked questions
When are Prenn Engineering Ltd.'s accounts due?
Prenn Engineering Ltd.'s next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Prenn Engineering Ltd.'s CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Prenn Engineering Ltd. still trading?
Prenn Engineering 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 Prenn Engineering Ltd. do?
Prenn Engineering Ltd. is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Prenn Engineering Ltd.?
Prenn Engineering Ltd. was incorporated on 9 July 2022, 4 years ago.
What is the penalty if Prenn Engineering 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 Prenn Engineering 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.