- Companies
- Finishing trades
- Warwick
- SJ Duffy Limited
SJ Duffy Limited
- Company number
- 15165546
- Incorporated
- 26 Sep 20233 years trading
- Registered office
- Aims Accountants for Business (Racing Club Warwick Football Club), Hampton RD, Warwick, CV34 6JP
- Nature of business
- Other building completion and finishing
SJ Duffy Limited is a 3-year-old private limited company registered in Warwick, company number 15165546, one of 21 building finishing companies in Warwick. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £7,056 on the year before, to £7,275.
- Current assets of £43K against £73K owed within a year: 0.6 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £7,275 | £3,202 | £43K | £73K | 3 |
| 30 Sep 2024 | £219 | £761 | £19K | £66K | 2 |
Where SJ Duffy Limited is registered
The registered office is in Warwick (CV34), in the Warwick local authority area, West Midlands. Show CV34 6JP on a map.
Other trade companies in CV34
- Dssa Developments LtdProperty developers
- Legend Electrician LtdElectricians
- Nah Services LtdBuilders
- Aeb Developments LtdProperty developers
- Crownstone Cars LtdMotor traders
- D.S Landscape & Groundwork LtdLandscapers and gardeners
- Parkhouse Construction and Design LtdProperty developers
- Dynamic Site Services LtdBuilders
What happens if SJ Duffy 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 15165546
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2023 (3 years ago)
- Registered office
- Aims Accountants for Business (Racing Club Warwick Football Club), Hampton RD, Warwick, CV34 6JP
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 14 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Warwick
Other active building finishing companies registered in Warwick.
- Skidmore Builders Limited2002
- Spa Property Maintenance Limited2022
- Springworth (Building & Interiors) Limited2005
- Sy Build Renovation Ltd2025
- Trident Roofing and Building Ltd2025
- Warwickshire Seamless Aluminium Guttering Limited2024
- CJT Fencing & Landscaping Limited2021
- CV Property Developments Ltd2026
All building finishing companies in Warwick · All trades in Warwick · Finishing trades across the UK
Frequently asked questions
When are SJ Duffy Limited's accounts due?
SJ Duffy Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is SJ Duffy Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is SJ Duffy Limited still trading?
SJ Duffy 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 SJ Duffy Limited do?
SJ Duffy Limited is registered under Other building completion and finishing (SIC 43390).
How old is SJ Duffy Limited?
SJ Duffy Limited was incorporated on 26 September 2023, 3 years ago.
What is the penalty if SJ Duffy 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 SJ Duffy 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.