- Companies
- Specialist contractors
- O'Neill Carpentry Limited
O'Neill Carpentry Limited
- Company number
- 14926852
- Incorporated
- 9 Jun 20233 years trading
- Registered office
- 24 Penygarn Road, Rhydaman, Sir Gaerfyrddin, SA18 3PB
- Nature of business
- Other specialised construction activities n.e.c.
O'Neill Carpentry Limited is a 3-year-old private limited company registered in Rhydaman, company number 14926852, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 unchanged on the year before, at £1.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2024 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1 | £1 | 0 | ||
| 30 Jun 2025 | £1 | £1 | 0 | ||
| 30 Jun 2024 | £1 | £1 | 0 |
Where O'Neill Carpentry Limited is registered
The registered office is in Rhydaman (SA18), in the Carmarthenshire local authority area, Wales. Show SA18 3PB on a map.
Other trade companies in SA18
- Ace Resin Group LtdFinishing trades
- Dyfed Engineering LtdElectricians
- Serval Mechanical & Fabrication LtdMechanics and garages
- Timber and Trade Solutions LtdBuilders
- West Wales Cleaning Group LtdCleaning companies
- Carpet Confession LtdCleaning companies
- Elite Painting Solutions LtdPainters and decorators
- Dafku Construction LtdCivil engineering
What happens if O'Neill Carpentry 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 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
- 14926852
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 June 2023 (3 years ago)
- Registered office
- 24 Penygarn Road, Rhydaman, Sir Gaerfyrddin, SA18 3PB
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 15 July 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
Other active specialist construction companies.
Frequently asked questions
When are O'Neill Carpentry Limited's accounts due?
O'Neill Carpentry Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is O'Neill Carpentry Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is O'Neill Carpentry Limited still trading?
O'Neill Carpentry 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 O'Neill Carpentry Limited do?
O'Neill Carpentry Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is O'Neill Carpentry Limited?
O'Neill Carpentry Limited was incorporated on 9 June 2023, 3 years ago.
What is the penalty if O'Neill Carpentry 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 O'Neill Carpentry 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.