- Companies
- Plumbers and heating engineers
- Pwllheli
- E Thomas Plumbing and Heating Plymio A Gwresogi Cyf
E Thomas Plumbing and Heating Plymio A Gwresogi Cyf
- Company number
- 17452317
- Incorporated
- 11 Sep 2026
- Registered office
- 1 Thomas Buildings, New Street, Pwllheli, Gwynedd, LL53 5HH
- Nature of business
- Plumbing, heat and air-conditioning installation
E Thomas Plumbing and Heating Plymio A Gwresogi Cyf is a newly incorporated private limited company registered in Pwllheli, company number 17452317, one of 11 plumbing and heating companies in Pwllheli. Its next accounts are due at Companies House on 11 June 2028, and its first CT600 is due at HMRC on 10 September 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 E Thomas Plumbing and Heating Plymio A Gwresogi Cyf is registered
The registered office is in Pwllheli (LL53), in the Gwynedd local authority area, Wales. Show LL53 5HH on a map.
Other trade companies in LL53
- Cadelio CyfSpecialist contractors
- Halpine Construction LimitedJoiners and carpenters
- Feucht Engineering LtdMachinery repair and installation
- Stuart Livingstone LtdPlumbers and heating engineers
- Teiars Hughes Tyres LtdMechanics and garages
- Saevar Solutions LtdCleaning companies
- Dragon Detailing & Body Repairs LtdMotor traders
- J S Services Property LtdProperty developers
Also registered at this address
16 other companies use the same registered office as E Thomas Plumbing and Heating Plymio A Gwresogi Cyf.
- Abersoch Boat Works LimitedMachinery repair and installation
- Adeiladwaith Richard Williams Construction LtdProperty developers
- Cadelio CyfSpecialist contractors
- D. Jones Decorators LimitedPainters and decorators
- Dyffryn Heating LtdPlumbers and heating engineers
- Gwynedd Windscreens LimitedMechanics and garages
- LJS Construction LimitedProperty developers
- Llnau Haze Cleaning LimitedCleaning companies
- Llyn Marine Services LimitedMachinery repair and installation
- M P Plumbing LimitedPlumbers and heating engineers
- Mela Energy LtdPlumbers and heating engineers
- Or Trefor LimitedCivil engineering
- Peninsula Security LtdElectricians
- Penllyn Conservatories LimitedInstallers
- Radix Shrewsbury LimitedLandscapers and gardeners
- Sean Booth Landscapes LimitedLandscapers and gardeners
What happens if E Thomas Plumbing and Heating Plymio A Gwresogi 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 11 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Jun 2028 to 11 Jul 2028 | £150 |
| 1 to 3 months late | 12 Jul 2028 to 11 Sep 2028 | £375 |
| 3 to 6 months late | 12 Sep 2028 to 11 Dec 2028 | £750 |
| More than 6 months late | From 12 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17452317
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 September 2026
- Registered office
- 1 Thomas Buildings, New Street, Pwllheli, Gwynedd, LL53 5HH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (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 Pwllheli
Other active plumbing and heating companies registered in Pwllheli.
- G Jones Heating & Plumbing Ltd2007
- Llyn Plumbing & Heating Ltd2020
- M P Plumbing Limited2011
- M Wynn Plumbing Cyf2010
- Malcolm Roberts Limited2006
- Mela Energy Ltd2020
- Stuart Livingstone Ltd2026
- T W Williams & Son Ltd2014
All plumbing and heating companies in Pwllheli · All trades in Pwllheli · Plumbers and heating engineers across the UK
Frequently asked questions
When are E Thomas Plumbing and Heating Plymio A Gwresogi Cyf's accounts due?
E Thomas Plumbing and Heating Plymio A Gwresogi Cyf's next accounts are due at Companies House by 11 June 2028 (in 607 days), covering the period to 30 September 2027.
When is E Thomas Plumbing and Heating Plymio A Gwresogi Cyf's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 10 September 2027, due by 10 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is E Thomas Plumbing and Heating Plymio A Gwresogi Cyf still trading?
E Thomas Plumbing and Heating Plymio A Gwresogi 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 Thomas Plumbing and Heating Plymio A Gwresogi Cyf do?
E Thomas Plumbing and Heating Plymio A Gwresogi Cyf is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is E Thomas Plumbing and Heating Plymio A Gwresogi Cyf?
E Thomas Plumbing and Heating Plymio A Gwresogi Cyf was incorporated on 11 September 2026, less than a year ago.
What is the penalty if E Thomas Plumbing and Heating Plymio A Gwresogi 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 Thomas Plumbing and Heating Plymio A Gwresogi 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.