- Companies
- Builders
- Caernarfon
- Celtic Heritage Construction Limited
Celtic Heritage Construction Limited
- Company number
- 17439635
- Incorporated
- 4 Sep 2026
- Registered office
- 32 Y Maes, Caernarfon, Gwynedd, LL55 2NN
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Celtic Heritage Construction Limited is a newly incorporated private limited company registered in Caernarfon, company number 17439635, one of 19 building contractors in Caernarfon. Its next accounts are due at Companies House on 4 June 2028, and its first CT600 is due at HMRC on 3 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 Celtic Heritage Construction Limited is registered
The registered office is in Caernarfon (LL55), in the Gwynedd local authority area, Wales. Show LL55 2NN on a map.
Other trade companies in LL55
- Gic Construction & Groundworks LtdInstallers
- Caton Site Welding LtdMachinery repair and installation
- Celtic Heritage Stonemasonry LimitedCivil engineering
- 31 High ST LimitedProperty developers
- Robertson’S Property Services LtdSpecialist contractors
- Tirion Solutions LtdElectricians
- Melltd LtdProperty developers
- RH Cleaning Solutions LtdCleaning companies
Also registered at this address
3 other companies use the same registered office as Celtic Heritage Construction Limited.
- Celtic Heritage Stonemasonry LimitedCivil engineering
- Clarity Aquatics and Landscapes LtdSpecialist contractors
- Martin Roberts Construction LimitedBuilders
What happens if Celtic Heritage Construction Limited 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 4 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Jun 2028 to 4 Jul 2028 | £150 |
| 1 to 3 months late | 5 Jul 2028 to 4 Sep 2028 | £375 |
| 3 to 6 months late | 5 Sep 2028 to 4 Dec 2028 | £750 |
| More than 6 months late | From 5 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
- 17439635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 September 2026
- Registered office
- 32 Y Maes, Caernarfon, Gwynedd, LL55 2NN
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Ceunant Construction Ltd2025
- Clen Construction Ltd2016
- Coed Madog Cyf2024
- D.R. Williams (Felinwnda) Limited1976
- Davbuckconstruction Limited2020
- David Garth Limited2020
- Emrys Williams Brickwork Contractor Ltd2008
- Gwynedd Restoration Ltd2018
All building contractors in Caernarfon · All trades in Caernarfon · Builders across the UK
Frequently asked questions
When are Celtic Heritage Construction Limited's accounts due?
Celtic Heritage Construction Limited's next accounts are due at Companies House by 4 June 2028 (in 600 days), covering the period to 30 September 2027.
When is Celtic Heritage Construction Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 September 2027, due by 3 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 Celtic Heritage Construction Limited still trading?
Celtic Heritage Construction Limited 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 Celtic Heritage Construction Limited do?
Celtic Heritage Construction Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Celtic Heritage Construction Limited?
Celtic Heritage Construction Limited was incorporated on 4 September 2026, less than a year ago.
What is the penalty if Celtic Heritage Construction Limited 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 Celtic Heritage Construction Limited 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.