- Companies
- Roofers
- Southampton
- O'Sullivan Roofing Ltd
O'Sullivan Roofing Ltd
- Company number
- 13942903
- Incorporated
- 27 Feb 20224 years trading
- Registered office
- Unit 3B Shore Road, Warsash, Southampton, SO31 9FR
- Nature of business
- Roofing activities
O'Sullivan Roofing Ltd is a 4-year-old private limited company registered in Southampton, company number 13942903, one of 82 roofing companies in Southampton. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 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 £29 (+29%) on the year before, to £129.
- Current assets of £44K against £33K owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £129 | £2,042 | £44K | £33K | 0 |
| 29 Feb 2024 | £100 | £1,900 | £26K | £31K | 0 |
| 28 Feb 2023 | £2,098 | £9,317 | £14K | £19K | 0 |
Who runs and owns O'Sullivan Roofing Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| N*** O*** | Director | Feb 2022 |
| A*** O*** | Director | Nov 2023 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** O*** | Secretary | Feb 2022 | Nov 2023 |
People with significant control (2)
Where O'Sullivan Roofing Ltd is registered
The registered office is in Southampton (SO31), in the Fareham local authority area, South East. Show SO31 9FR on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if O'Sullivan Roofing 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13942903
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 February 2022 (4 years ago)
- Registered office
- Unit 3B Shore Road, Warsash, Southampton, SO31 9FR
- Nature of business
- Roofing activities (SIC 43910)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 26 February 2026
Filing notes for roofing companies
Roofing companies commonly work under CIS and run vans and access equipment, so CIS deductions and capital allowances are the two things to get right.
Similar companies in Southampton
Other active roofing companies registered in Southampton.
- Osprey Roofing Ltd2024
- Pheonix Eco Homes Ltd2026
- Platinum Roofs & Building Limited2025
- Prime Roofing and Building Services Ltd2026
- Quick Quote Roofing Ltd2025
- R8 Lofts Ltd2012
- Regal Roofcare Ltd2026
- RLH Roofing Ltd2021
All roofing companies in Southampton · All trades in Southampton · Roofers across the UK
Frequently asked questions
When are O'Sullivan Roofing Ltd's accounts due?
O'Sullivan Roofing Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is O'Sullivan Roofing Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is O'Sullivan Roofing Ltd still trading?
O'Sullivan Roofing 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 O'Sullivan Roofing Ltd do?
O'Sullivan Roofing Ltd is registered under Roofing activities (SIC 43910).
How old is O'Sullivan Roofing Ltd?
O'Sullivan Roofing Ltd was incorporated on 27 February 2022, 4 years ago.
Who runs O'Sullivan Roofing Ltd?
O'Sullivan Roofing Ltd has 2 active directors, the longest-serving appointed in Feb 2022. Their names and service addresses are on the Companies House register.
Who owns O'Sullivan Roofing Ltd?
2 people or companies have significant control of O'Sullivan Roofing Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if O'Sullivan Roofing 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 O'Sullivan Roofing 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.