- Companies
- Specialist contractors
- Caernarfon
- Gwynedd Safeflue Specialists Ltd
Gwynedd Safeflue Specialists Ltd
- Company number
- 11156623
- Incorporated
- 18 Jan 20188 years trading
- Registered office
- 18 Rhedyw Road, Llanllyfni, Caernarfon, LL54 6SG
- Nature of business
- Other specialised construction activities n.e.c.
Gwynedd Safeflue Specialists Ltd is a 8-year-old private limited company registered in Caernarfon, company number 11156623, one of 14 specialist construction companies in Caernarfon. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £546 (-62.6%) on the year before, to £326.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of £14K against £30K owed within a year: 0.5 times cover.
- 4 employees on average, down from 5 the year before.
- 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | £326 | £10K | £14K | £30K | 4 |
| 31 Jan 2024 | £872 | £10K | £14K | £30K | 5 |
| 31 Jan 2023 | £9,702 | £20K | £30K | £35K | 4 |
| 31 Jan 2022 | £16K | £4,427 | £30K | £30K | 3 |
| 31 Jan 2021 | £25K | £5,806 | £22K | £16K | 3 |
| 31 Jan 2020 | £15K | £1,651 | £17K | £14K | 2 |
| 31 Jan 2019 | £1,391 | £1,494 | £11K | £22K | 2 |
Who runs and owns Gwynedd Safeflue Specialists Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** R*** | Director | Jan 2018 |
Person with significant control
Where Gwynedd Safeflue Specialists Ltd is registered
The registered office is in Caernarfon (LL54), in the Gwynedd local authority area, Wales. Show LL54 6SG on a map.
Other trade companies in LL54
- Ow Autos LimitedMechanics and garages
- Sej Motors LtdMechanics and garages
- Aw Diving LtdCivil engineering
- PWG Construction LtdBuilders
- Cars Gwynedd LimitedMotor traders
- Gwasanaethau Adeiladu A Chyfleustodau WR Construction and Utility Services LimitedInstallers
- CLP Surfacing & Groundworks LtdCivil engineering
- Rirox LtdBuilders
What happens if Gwynedd Safeflue Specialists 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11156623
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 January 2018 (8 years ago)
- Registered office
- 18 Rhedyw Road, Llanllyfni, Caernarfon, LL54 6SG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 17 January 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 Caernarfon
Other active specialist construction companies registered in Caernarfon.
- Innkeeper Liquid Screed Ltd2012
- Jarvis Pressure Pointing & Grouting Limited2002
- KWG Building & Civils Contractor Limited2019
- M&S Concrete Imprinting Ltd2016
- North Wales Liquid Screed Ltd2020
- O'Brien Offshore Ltd2025
- PSR Controls Ltd2020
- R.G. Owen Limited2002
All specialist construction companies in Caernarfon · All trades in Caernarfon · Specialist contractors across the UK
Frequently asked questions
When are Gwynedd Safeflue Specialists Ltd's accounts due?
Gwynedd Safeflue Specialists Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Gwynedd Safeflue Specialists Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Gwynedd Safeflue Specialists Ltd still trading?
Gwynedd Safeflue Specialists 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 Gwynedd Safeflue Specialists Ltd do?
Gwynedd Safeflue Specialists Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Gwynedd Safeflue Specialists Ltd?
Gwynedd Safeflue Specialists Ltd was incorporated on 18 January 2018, 8 years ago.
Who runs Gwynedd Safeflue Specialists Ltd?
Gwynedd Safeflue Specialists Ltd has 1 active director, the longest-serving appointed in Jan 2018. Their names and service addresses are on the Companies House register.
Who owns Gwynedd Safeflue Specialists Ltd?
One person or company has significant control of Gwynedd Safeflue Specialists Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Gwynedd Safeflue Specialists 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 Gwynedd Safeflue Specialists 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.