- Companies
- Builders
- Rickmansworth
- O'Halloran & Son Formwork Limited
O'Halloran & Son Formwork Limited
- Company number
- 10625755
- Incorporated
- 17 Feb 20179 years trading
- Registered office
- Office 10 206 New Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 3HH
- Nature of business
- Construction of commercial buildings
O'Halloran & Son Formwork Limited is a 9-year-old private limited company registered in Rickmansworth, company number 10625755, one of 76 building contractors in Rickmansworth. Its next accounts are due at Companies House on 31 March 2027, and its first CT600 is due at HMRC on 28 February 2027.
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 up £48K (+143.2%) on the year before, to £82K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £155K against £74K owed within a year: 2.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £82K | £124K | £155K | £74K | 2 |
| 28 Feb 2024 | £34K | £94K | £115K | £85K | 2 |
| 28 Feb 2023 | £12K | £24K | £51K | £46K | 3 |
| 28 Feb 2022 | £18K | £15K | £40K | £32K | 3 |
| 28 Feb 2021 | £28K | £31K | £64K | £36K | 3 |
| 28 Feb 2018 | £1 |
Where O'Halloran & Son Formwork Limited is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 3HH on a map.
Other trade companies in WD3
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- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
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- Daf Construction Services LtdBuilders
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What happens if O'Halloran & Son Formwork 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 10625755
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 February 2017 (9 years ago)
- Registered office
- Office 10 206 New Road, Croxley Green, Rickmansworth, Hertfordshire, WD3 3HH
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 5 April 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 Rickmansworth
Other active building contractors registered in Rickmansworth.
- O'Shea Investments Limited2016
- Oxy Group Ltd2025
- Paul Myers Project Management Limited2024
- Pe Property Services Limited2017
- Pentwyn Build Developments Limited2010
- Promac Limited2023
- Prospec Design and Build Ltd2022
- RDB Property Investments Ltd2019
All building contractors in Rickmansworth · All trades in Rickmansworth · Builders across the UK
Frequently asked questions
When are O'Halloran & Son Formwork Limited's accounts due?
O'Halloran & Son Formwork Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is O'Halloran & Son Formwork 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 28 February 2026, due by 28 February 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is O'Halloran & Son Formwork Limited still trading?
O'Halloran & Son Formwork 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'Halloran & Son Formwork Limited do?
O'Halloran & Son Formwork Limited is registered under Construction of commercial buildings (SIC 41201).
How old is O'Halloran & Son Formwork Limited?
O'Halloran & Son Formwork Limited was incorporated on 17 February 2017, 9 years ago.
What is the penalty if O'Halloran & Son Formwork 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'Halloran & Son Formwork 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.