- Companies
- Specialist contractors
- Porthmadog
- Llwyni'r ŴYn Cyf
Llwyni'r ŴYn Cyf
- Company number
- 11433218
- Incorporated
- 26 Jun 20188 years trading
- Registered office
- Adeilad ST Davids Building, Lombard Street, Porthmadog, LL49 9AP
- Nature of business
- Other specialised construction activities n.e.c.
Llwyni'r ŴYn Cyf is a 8-year-old private limited company registered in Porthmadog, company number 11433218, one of 14 specialist construction companies in Porthmadog. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 unchanged on the year before, at £1.
- Net assets rose in 0 of 6 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1 | £1 | 0 | ||
| 30 Jun 2024 | £1 | £1 | 0 | ||
| 30 Jun 2023 | £1 | £1 | 0 | ||
| 30 Jun 2022 | £1 | £1 | 0 | ||
| 30 Jun 2021 | £1 | £1 | 0 | ||
| 30 Jun 2020 | £1 | £1 | 0 | ||
| 30 Jun 2019 | £1 | £1 |
Where Llwyni'r ŴYn 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
15 other companies use the same registered office as Llwyni'r ŴYn Cyf.
- A E Motors LtdMechanics and garages
- A. J Brown Electrical Contracting LtdElectricians
- Artro Property Services LtdBuilders
- Brian Bown CyfLandscapers and gardeners
- Chris Waite Site Engineering LtdCivil engineering
- Contractio G I Owen Contracting CyfSpecialist contractors
- DB & E Williams LimitedPlumbers and heating engineers
- Gwyn E CyfMachinery repair and installation
- M & R Scaffolding LtdGroundworks and demolition
- S & B Roberts LtdMechanics and garages
- S E Metcalfe A'i Gwmni CyfSpecialist contractors
- T P Redman LtdSpecialist contractors
- Tegfan Garage LtdMechanics and garages
- Tir Construction LimitedSpecialist contractors
- Tony Rowlands Electrical LtdElectricians
What happens if Llwyni'r ŴYn 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11433218
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2018 (8 years ago)
- Registered office
- Adeilad ST Davids Building, Lombard Street, Porthmadog, LL49 9AP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 25 June 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Porthmadog
Other active specialist construction companies registered in Porthmadog.
- Maybank Renovation Limited2010
- T P Redman Ltd2012
- Tir Construction Limited2012
- TK Resin Driveways Ltd2024
- C.D.L. Fire Protection Ltd2018
- Contractio G I Owen Contracting Cyf2020
- Davies (Cilcoed) Cyf2006
- Dinas Contracting Cyf2011
All specialist construction companies in Porthmadog · All trades in Porthmadog · Specialist contractors across the UK
Frequently asked questions
When are Llwyni'r ŴYn Cyf's accounts due?
Llwyni'r ŴYn Cyf's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Llwyni'r ŴYn Cyf's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Llwyni'r ŴYn Cyf still trading?
Llwyni'r ŴYn 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 Llwyni'r ŴYn Cyf do?
Llwyni'r ŴYn Cyf is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Llwyni'r ŴYn Cyf?
Llwyni'r ŴYn Cyf was incorporated on 26 June 2018, 8 years ago.
What is the penalty if Llwyni'r ŴYn 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 Llwyni'r ŴYn 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.