- Companies
- Builders
- Caernarfon
- Ceunant Construction Ltd
Ceunant Construction Ltd
- Company number
- 16198925
- Incorporated
- 21 Jan 20251 year trading
- Registered office
- 13 Glan Moelyn, Llanrug, Caernarfon, LL55 4PG
- Nature of business
- Construction of domestic buildings
Ceunant Construction Ltd is a 1-year-old private limited company registered in Caernarfon, company number 16198925, one of 19 building contractors in Caernarfon. Its next accounts are due at Companies House on 21 October 2026, and its first CT600 is due at HMRC on 20 January 2027.
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 Ceunant Construction Ltd is registered
The registered office is in Caernarfon (LL55), in the Gwynedd local authority area, Wales. Show LL55 4PG on a map.
Other trade companies in LL55
- Gic Construction & Groundworks LtdInstallers
- Caton Site Welding LtdMachinery repair and installation
- Celtic Heritage Stonemasonry LimitedCivil engineering
- Celtic Heritage Construction LimitedBuilders
- 31 High ST LimitedProperty developers
- Robertson’S Property Services LtdSpecialist contractors
- Tirion Solutions LtdElectricians
- Melltd LtdProperty developers
What happens if Ceunant Construction 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 21 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 22 Oct 2026 to 21 Nov 2026 | £150 |
| 1 to 3 months late | 22 Nov 2026 to 21 Jan 2027 | £375 |
| 3 to 6 months late | 22 Jan 2027 to 21 Apr 2027 | £750 |
| More than 6 months late | From 22 Apr 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
- 16198925
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2025 (1 year ago)
- Registered office
- 13 Glan Moelyn, Llanrug, Caernarfon, LL55 4PG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 4 March 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Caernarfon
Other active building contractors registered in Caernarfon.
- Clen Construction Ltd2016
- Coed Madog Cyf2024
- D.R. Williams (Felinwnda) Limited1976
- Davbuckconstruction Limited2020
- David Garth Limited2020
- Emrys Williams Brickwork Contractor Ltd2008
- Gwynedd Restoration Ltd2018
- John Dixon Building Contractor Ltd2018
All building contractors in Caernarfon · All trades in Caernarfon · Builders across the UK
Frequently asked questions
When are Ceunant Construction Ltd's accounts due?
Ceunant Construction Ltd's next accounts are due at Companies House by 21 October 2026 (in 9 days), covering the period to 31 January 2026.
When is Ceunant Construction Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 20 January 2026, due by 20 January 2027, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ceunant Construction Ltd still trading?
Ceunant Construction 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 Ceunant Construction Ltd do?
Ceunant Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Ceunant Construction Ltd?
Ceunant Construction Ltd was incorporated on 21 January 2025, 1 year ago.
What is the penalty if Ceunant Construction 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 Ceunant Construction 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.