- Companies
- Civil engineering
- Northolt
- Piron Construction Ltd
Piron Construction Ltd
- Company number
- 15226894
- Incorporated
- 22 Oct 20232 years trading
- Registered office
- 48A Merton Avenue, Northolt, UB5 4QF
- Nature of business
- Construction of railways and underground railways; Other specialised construction activities n.e.c.
Piron Construction Ltd is a 2-year-old private limited company registered in Northolt, company number 15226894, one of 9 civil engineering contractors in Northolt. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £5,678 (+87.6%) on the year before, to £12K.
- Current assets of £18K against £5,711 owed within a year: 3.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £12K | £18K | £5,711 | 1 | |
| 31 Oct 2024 | £6,484 | £12K | £5,899 | 1 |
Where Piron Construction Ltd is registered
The registered office is in Northolt (UB5), in the Ealing local authority area, London. Show UB5 4QF on a map.
Other trade companies in UB5
- Byvolt Electrical Services LtdElectricians
- Harmony Buildworks LtdSpecialist contractors
- RBS Homes LtdFinishing trades
- Tda Construction LimitedBuilders
- Ivaan Roofing Solutions LtdRoofers
- Jacob Fleet Services LtdMotor traders
- Upliftcarsltd LtdMotor traders
- Caraze LtdMotor traders
What happens if Piron 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15226894
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 October 2023 (2 years ago)
- Registered office
- 48A Merton Avenue, Northolt, UB5 4QF
- Nature of business
- Construction of railways and underground railways (SIC 42120)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 17 October 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 Northolt
Other active civil engineering contractors registered in Northolt.
- Primebuild Builders Ltd2025
- RB Cables Limited2019
- S.T. Telecom Limited2009
- Sewa Enterprises Limited2013
- T Slattery Utilities Ltd2023
- Three Doons Groundworks Ltd2022
- Yonik Ivr Ltd2025
- Oluayeni Ltd2013
All civil engineering contractors in Northolt · All trades in Northolt · Civil engineering across the UK
Frequently asked questions
When are Piron Construction Ltd's accounts due?
Piron Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Piron Construction Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Piron Construction Ltd still trading?
Piron Construction 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 Piron Construction Ltd do?
Piron Construction Ltd is registered under Construction of railways and underground railways (SIC 42120); Other specialised construction activities n.e.c. (SIC 43999).
How old is Piron Construction Ltd?
Piron Construction Ltd was incorporated on 22 October 2023, 2 years ago.
What is the penalty if Piron 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 Piron Construction 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.