- Companies
- Civil engineering
- Caernarfon
- CLP Surfacing & Groundworks Ltd
CLP Surfacing & Groundworks Ltd
- Company number
- 17074101
- Incorporated
- 6 Mar 2026
- Registered office
- Tan Y Ffynnon, Llanllyfni, Caernarfon, LL54 6DD
- Nature of business
- Construction of other civil engineering projects n.e.c.
CLP Surfacing & Groundworks Ltd is a newly incorporated private limited company registered in Caernarfon, company number 17074101, one of 7 civil engineering contractors in Caernarfon. Its next accounts are due at Companies House on 6 December 2027, and its first CT600 is due at HMRC on 5 March 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.
Is this your company?
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Where CLP Surfacing & Groundworks Ltd is registered
The registered office is in Caernarfon (LL54), in the Gwynedd local authority area, Wales. Show LL54 6DD 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
- Rirox LtdBuilders
- Eltec Autoparts LtdMotor traders
What happens if CLP Surfacing & Groundworks 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 6 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Dec 2027 to 6 Jan 2028 | £150 |
| 1 to 3 months late | 7 Jan 2028 to 6 Mar 2028 | £375 |
| 3 to 6 months late | 7 Mar 2028 to 6 Jun 2028 | £750 |
| More than 6 months late | From 7 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 17074101
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2026
- Registered office
- Tan Y Ffynnon, Llanllyfni, Caernarfon, LL54 6DD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Caernarfon
Other active civil engineering contractors registered in Caernarfon.
- Gwynedd Grouting Ltd2025
- J T Morris & Co Limited2006
- Aw Diving Ltd2026
- Celtic Heritage Construction and Stonemasonry Limited2015
- Celtic Heritage Stonemasonry Limited2026
- Cemlyn Ltd2025
All civil engineering contractors in Caernarfon · All trades in Caernarfon · Civil engineering across the UK
Frequently asked questions
When are CLP Surfacing & Groundworks Ltd's accounts due?
CLP Surfacing & Groundworks Ltd's next accounts are due at Companies House by 6 December 2027 (in 418 days), covering the period to 31 March 2027.
When is CLP Surfacing & Groundworks 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 5 March 2027, due by 5 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is CLP Surfacing & Groundworks Ltd still trading?
CLP Surfacing & Groundworks 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 CLP Surfacing & Groundworks Ltd do?
CLP Surfacing & Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is CLP Surfacing & Groundworks Ltd?
CLP Surfacing & Groundworks Ltd was incorporated on 6 March 2026, less than a year ago.
What is the penalty if CLP Surfacing & Groundworks 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 CLP Surfacing & Groundworks 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.