- Companies
- Civil engineering
- Triphase Energy Ltd
Triphase Energy Ltd
- Company number
- 16665860
- Incorporated
- 21 Aug 20251 year trading
- Registered office
- Apollo House, Hallam Way, Whitehills Business Park, Blackpool, FY4 5FS
- Nature of business
- Construction of utility projects for electricity and telecommunications
Triphase Energy Ltd is a 1-year-old private limited company registered in Whitehills Business Park, company number 16665860, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 21 May 2027, and its first CT600 is due at HMRC on 20 August 2027.
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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Triphase Energy LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Triphase Energy Ltd is registered
The registered office is in Whitehills Business Park (FY4), in the Fylde local authority area, North West. Show FY4 5FS on a map.
Other trade companies in FY4
- CCD Planning & Engineering LtdSpecialist contractors
- THW Roofing LtdRoofers
- Nexus NW LtdPlumbers and heating engineers
- CSP Contracts LtdBuilders
- WCR Breakdown & Recovery LtdMechanics and garages
- LP Flooring Solutions LtdFloor and wall tilers
- Noxon Industrial Services LtdSpecialist contractors
- Northlink Network LimitedElectricians
Also registered at this address
7 other companies use the same registered office as Triphase Energy Ltd.
- Bensons Construction Services LtdSpecialist contractors
- Lizzyjoy LimitedProperty developers
- Mark Medhurst Heating & Plumbing LimitedInstallers
- Pat Planning Services LimitedSpecialist contractors
- S Onwe Contract Services LimitedCivil engineering
- Scope Construction Services LtdCivil engineering
- Toris LimitedCivil engineering
What happens if Triphase Energy 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 21 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 May 2027 to 21 Jun 2027 | £150 |
| 1 to 3 months late | 22 Jun 2027 to 21 Aug 2027 | £375 |
| 3 to 6 months late | 22 Aug 2027 to 21 Nov 2027 | £750 |
| More than 6 months late | From 22 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16665860
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 August 2025 (1 year ago)
- Registered office
- Apollo House, Hallam Way, Whitehills Business Park, Blackpool, FY4 5FS
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 March 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
Other active civil engineering contractors.
Frequently asked questions
When are Triphase Energy Ltd's accounts due?
Triphase Energy Ltd's next accounts are due at Companies House by 21 May 2027 (in 220 days), covering the period to 31 August 2026.
When is Triphase Energy 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 20 August 2026, due by 20 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Triphase Energy Ltd still trading?
Triphase Energy 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 Triphase Energy Ltd do?
Triphase Energy Ltd is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Triphase Energy Ltd?
Triphase Energy Ltd was incorporated on 21 August 2025, 1 year ago.
What is the penalty if Triphase Energy 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 Triphase Energy 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.