- Companies
- Finishing trades
- Pwllheli
- Gweithdy Llyn Cyf
Gweithdy Llyn Cyf
- Company number
- 14513229
- Incorporated
- 29 Nov 20223 years trading
- Registered office
- Arddgrach, Llannor, Pwllheli, LL53 5UL
- Nature of business
- Other building completion and finishing
Gweithdy Llyn Cyf is a 3-year-old private limited company registered in Pwllheli, company number 14513229, one of 7 building finishing companies in Pwllheli. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £16K (-79.2%) on the year before, to £4,217.
- Current assets of £15K against £25K owed within a year: 0.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £4,217 | £4,566 | £15K | £25K | 0 |
| 30 Nov 2024 | £20K | £12K | £22K | £19K | 2 |
| 30 Nov 2023 | £1,739 | £1,083 | £7,082 | £5,343 | 2 |
Where Gweithdy Llyn Cyf is registered
The registered office is in Pwllheli (LL53), in the Gwynedd local authority area, Wales. Show LL53 5UL on a map.
Other trade companies in LL53
- E Thomas Plumbing and Heating Plymio A Gwresogi CyfPlumbers and heating engineers
- 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
What happens if Gweithdy Llyn 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 14513229
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 November 2022 (3 years ago)
- Registered office
- Arddgrach, Llannor, Pwllheli, LL53 5UL
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 28 November 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Pwllheli
Other active building finishing companies registered in Pwllheli.
- Leigh Properties (UK) Limited2005
- Llyn Joinery Cyfyngedig2015
- Pennant Homes Limited1982
- Richards Brothers Limited2010
- The House Doctor North Wales Limited2023
- Dafydd Lloyd Limited2012
All building finishing companies in Pwllheli · All trades in Pwllheli · Finishing trades across the UK
Frequently asked questions
When are Gweithdy Llyn Cyf's accounts due?
Gweithdy Llyn Cyf's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Gweithdy Llyn Cyf's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Gweithdy Llyn Cyf still trading?
Gweithdy Llyn 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 Gweithdy Llyn Cyf do?
Gweithdy Llyn Cyf is registered under Other building completion and finishing (SIC 43390).
How old is Gweithdy Llyn Cyf?
Gweithdy Llyn Cyf was incorporated on 29 November 2022, 3 years ago.
What is the penalty if Gweithdy Llyn 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 Gweithdy Llyn 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.