- Companies
- Plumbers and heating engineers
- London
- Helix Fire Engineering Ltd
Helix Fire Engineering Ltd
- Company number
- 17108160
- Incorporated
- 23 Mar 2026
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Helix Fire Engineering Ltd is a newly incorporated private limited company registered in London, company number 17108160, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 23 December 2027, and its first CT600 is due at HMRC on 22 March 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Helix Fire Engineering Ltd is registered
The registered office is in London (EC1V), in the Islington local authority area, London. Show EC1V 2NX on a map.
Other trade companies in EC1V
- Cardiff Electrical Solutions LtdElectricians
- Edemis Construction LtdBuilders
- Zaylan LtdProperty developers
- Pronto Roofing and Construction LtdRoofers
- Instal Systems LtdPlumbers and heating engineers
- J&R Partners LtdBuilders
- The Tile Craft LtdFinishing trades
- Cathal Od Solutions LtdSpecialist contractors
Shared registered office
2,436 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Helix Fire 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 23 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2027 to 23 Jan 2028 | £150 |
| 1 to 3 months late | 24 Jan 2028 to 23 Mar 2028 | £375 |
| 3 to 6 months late | 24 Mar 2028 to 23 Jun 2028 | £750 |
| More than 6 months late | From 24 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 17108160
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2026
- Registered office
- 128 City Road, London, EC1V 2NX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Hendon and Hampstead Plumbing Ltd2020
- Her Projects Ltd2024
- Heritage Build Solutions Ltd2025
- Heroes on Hand Limited2020
- Hesse Heating Limited2025
- Heybreeze Ltd2026
- Hezpri Plumbing and Electrical Solutions Ltd2026
- HFZ Home Solutions Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Helix Fire Engineering Ltd's accounts due?
Helix Fire Engineering Ltd's next accounts are due at Companies House by 23 December 2027 (in 436 days), covering the period to 31 March 2027.
When is Helix Fire Engineering Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 22 March 2027, due by 22 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Helix Fire Engineering Ltd still trading?
Helix Fire 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 Helix Fire Engineering Ltd do?
Helix Fire Engineering Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Helix Fire Engineering Ltd?
Helix Fire Engineering Ltd was incorporated on 23 March 2026, less than a year ago.
What is the penalty if Helix Fire 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 Helix Fire 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.