- Companies
- Civil engineering
- Potters Bar
- Protiuc Construction Ltd
Protiuc Construction Ltd
- Company number
- 14358397
- Incorporated
- 15 Sep 20224 years trading
- Registered office
- Flat 57, Key Point, 3 High Street, Potters Bar, EN6 5DL
- Nature of business
- Construction of other civil engineering projects n.e.c.
Protiuc Construction Ltd is a 4-year-old private limited company registered in Potters Bar, company number 14358397, one of 15 civil engineering contractors in Potters Bar. 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 down £7,666 (-52.2%) on the year before, to £7,032.
- Current assets of £13K against £15K owed within a year: 0.9 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £7,032 | £13K | £15K | 1 | |
| 30 Sep 2024 | £15K | £8,587 | £6,697 | 1 | |
| 30 Sep 2023 | £9,301 | £13K | £19K | 1 |
Where Protiuc Construction Ltd is registered
The registered office is in Potters Bar (EN6), in the Hertsmere local authority area, East of England. Show EN6 5DL on a map.
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What happens if Protiuc Construction 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 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
- 14358397
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 September 2022 (4 years ago)
- Registered office
- Flat 57, Key Point, 3 High Street, Potters Bar, EN6 5DL
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 14 September 2025
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 Potters Bar
Other active civil engineering contractors registered in Potters Bar.
- Rengineers Limited2015
- Rise Utilities Ltd2024
- RMP Consultancy Limited2009
- Upturn Solutions Limited2015
- Viva Railway Ltd2024
- Vladif Limited2016
- Akon Enterprises Ltd2001
- Borough Property Maintenance Limited1993
All civil engineering contractors in Potters Bar · All trades in Potters Bar · Civil engineering across the UK
Frequently asked questions
When are Protiuc Construction Ltd's accounts due?
Protiuc Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Protiuc Construction Ltd'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 Protiuc Construction Ltd still trading?
Protiuc Construction Ltd is listed as active on the Companies House register (checked 12 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 Protiuc Construction Ltd do?
Protiuc Construction Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Protiuc Construction Ltd?
Protiuc Construction Ltd was incorporated on 15 September 2022, 4 years ago.
What is the penalty if Protiuc Construction 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 Protiuc Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.