- Companies
- Electricians
- Porthmadog
- E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf
- Company number
- 15871345
- Incorporated
- 2 Aug 20242 years trading
- Registered office
- ST. Davids Building, Lombard Street, Porthmadog, LL49 9AP
- Nature of business
- Electrical installation
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf is a 2-year-old private limited company registered in Porthmadog, company number 15871345, one of 8 electrical contractors in Porthmadog. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf is registered
The registered office is in Porthmadog (LL49), in the Gwynedd local authority area, Wales. Show LL49 9AP on a map.
Other trade companies in LL49
- D.Thomas Electrical CyfElectricians
- N Commercial LtdMotor traders
- Bricsan CyfProperty developers
- White Diamond Windows LtdGlaziers
- Porthmadog No1 Hand Car Wash LtdCleaning companies
- Dragon Drone Surveys & Inspections LimitedGroundworks and demolition
- Cu Power LtdMachinery repair and installation
- Carwyn Ap Plymio A Gwresogi CyfPlumbers and heating engineers
Also registered at this address
13 other companies use the same registered office as E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf.
- B & S Siting LimitedInstallers
- Bricsan CyfProperty developers
- Carwyn Ap Plymio A Gwresogi CyfPlumbers and heating engineers
- D.Thomas Electrical CyfElectricians
- E.Jones Williams and Son LimitedProperty developers
- Elis Llywelyn Williams CyfPlumbers and heating engineers
- Ffenestri Dwyfor Windows CyfGlaziers
- G Jones Contracts LimitedSpecialist contractors
- N Commercial LtdMotor traders
- North West Wales Electrical LtdElectricians
- R J Jones Plumbing & Heating LtdPlumbers and heating engineers
- TK Resin Driveways LtdSpecialist contractors
- White Diamond Windows LtdGlaziers
What happens if E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 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
- 15871345
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 August 2024 (2 years ago)
- Registered office
- ST. Davids Building, Lombard Street, Porthmadog, LL49 9AP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 August 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Porthmadog
Other active electrical contractors registered in Porthmadog.
- Gareth Griffiths (Trydanwr) Cyf2003
- North West Wales Electrical Ltd2022
- O R Electrical Limited2017
- Tony Rowlands Electrical Ltd2019
- A. J Brown Electrical Contracting Ltd2013
- Cambrian Electrical (Gwynedd) Ltd2019
- D.Thomas Electrical Cyf2026
All electrical contractors in Porthmadog · All trades in Porthmadog · Electricians across the UK
Frequently asked questions
When are E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf's accounts due?
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf still trading?
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf 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 E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf do?
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf is registered under Electrical installation (SIC 43210).
How old is E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf?
E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf was incorporated on 2 August 2024, 2 years ago.
What is the penalty if E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf 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 E H A'i Fab Ynni Adnewyddadol & Trydanol Cyf 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.