- Companies
- Builders
- Haverfordwest
- Sean O'Neill Bricklaying Limited
Sean O'Neill Bricklaying Limited
- Company number
- 15346995
- Incorporated
- 12 Dec 20232 years trading
- Registered office
- 55 Furzy Park, Haverfordwest, Dyfed, SA61 1HQ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Sean O'Neill Bricklaying Limited is a 2-year-old private limited company registered in Haverfordwest, company number 15346995, one of 34 building contractors in Haverfordwest. Companies House shows its accounts as overdue: they were due on 30 September 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Who runs and owns Sean O'Neill Bricklaying Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** O*** | Director | Dec 2023 |
Person with significant control
Where Sean O'Neill Bricklaying Limited is registered
The registered office is in Haverfordwest (SA61), in the Pembrokeshire local authority area, Wales. Show SA61 1HQ on a map.
Other trade companies in SA61
- Craftfix LimitedBuilders
- BCB Pembs LtdJoiners and carpenters
- Dragon Scaffolding Services LtdScaffolders
- Autolink Global LtdMotor traders
- DSJS Services LtdCleaning companies
- Charis Renovations LtdBuilders
- Jim Griffiths Motor Engineering LtdMotor traders
- Maxess Locks LtdMechanics and garages
What happens if Sean O'Neill Bricklaying Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 15346995
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2023 (2 years ago)
- Registered office
- 55 Furzy Park, Haverfordwest, Dyfed, SA61 1HQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 11 December 2025
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 Haverfordwest
Other active building contractors registered in Haverfordwest.
- Simon Davies Construction Limited2012
- Stephen M Jones Limited2003
- Wakefield Developments Pembrokeshire Limited2021
- Bvdavies Ltd2019
- C.M.S. Builders Ltd2011
- Caen (Pembrokeshire) Limited2021
- Carreg Construction Limited2003
- Cartrefi Aj Homes Ltd2020
All building contractors in Haverfordwest · All trades in Haverfordwest · Builders across the UK
Frequently asked questions
When are Sean O'Neill Bricklaying Limited's accounts due?
Sean O'Neill Bricklaying Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Sean O'Neill Bricklaying Limited's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Sean O'Neill Bricklaying Limited still trading?
Sean O'Neill Bricklaying Limited is listed as active on the Companies House register (checked 13 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 Sean O'Neill Bricklaying Limited do?
Sean O'Neill Bricklaying Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Sean O'Neill Bricklaying Limited?
Sean O'Neill Bricklaying Limited was incorporated on 12 December 2023, 2 years ago.
Who runs Sean O'Neill Bricklaying Limited?
Sean O'Neill Bricklaying Limited has 1 active director, the longest-serving appointed in Dec 2023. Their names and service addresses are on the Companies House register.
Who owns Sean O'Neill Bricklaying Limited?
One person or company has significant control of Sean O'Neill Bricklaying Limited: an individual (owns 75% or more of the shares).
What is the penalty if Sean O'Neill Bricklaying 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 Sean O'Neill Bricklaying Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.