- Companies
- Machinery repair and installation
- Harrow
- Petron Frontier Construction Ltd
Petron Frontier Construction Ltd
- Company number
- 15030642
- Incorporated
- 26 Jul 20233 years trading
- Registered office
- Fourth Floor Metroline House, 118-122 College Road, Harrow, Middlesex, HA1 1BQ
- Nature of business
- Installation of industrial machinery and equipment; Electrical installation; Plumbing, heat and air-conditioning installation; Other construction installation
Petron Frontier Construction Ltd is a 3-year-old private limited company registered in Harrow, company number 15030642, one of 51 machinery repair and installation companies in Harrow. 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 down £17K (-41.3%) on the year before, to -£57K.
- Current assets of £100 against £55K owed within a year: 0.0 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 Jul 2025 | -£57K | £100 | £55K | 1 | |
| 31 Jul 2024 | -£41K | £100 | £39K | 1 |
Where Petron Frontier Construction Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 1BQ on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
What happens if Petron Frontier 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 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
- 15030642
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2023 (3 years ago)
- Registered office
- Fourth Floor Metroline House, 118-122 College Road, Harrow, Middlesex, HA1 1BQ
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 5 May 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Harrow
Other active machinery repair and installation companies registered in Harrow.
- PMV Limited2014
- RK Shopfitting and Refrigeration Limited2018
- RK Shopfitting Ltd2025
- Ruse Constructions Ltd2024
- Shaban Gas & Plumbing Limited2015
- SK Service & Maintenance Limited2025
- Sonnik Limited2014
- Stacon Ltd2013
All machinery repair and installation companies in Harrow · All trades in Harrow · Machinery repair and installation across the UK
Frequently asked questions
When are Petron Frontier Construction Ltd's accounts due?
Petron Frontier Construction 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 Petron Frontier Construction 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 Petron Frontier Construction Ltd still trading?
Petron Frontier 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 Petron Frontier Construction Ltd do?
Petron Frontier Construction Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is Petron Frontier Construction Ltd?
Petron Frontier Construction Ltd was incorporated on 26 July 2023, 3 years ago.
What is the penalty if Petron Frontier 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 Petron Frontier 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.