- Companies
- Finishing trades
- Leigh-on-Sea
- J.J.Sullivan & Son Building Contractors Limited
J.J.Sullivan & Son Building Contractors Limited
- Company number
- 04270004
- Incorporated
- 14 Aug 200125 years trading
- Registered office
- Kingsley House, 22-24 Elm Road, Leigh-on-Sea, Essex, SS9 1SN
- Nature of business
- Other building completion and finishing
J.J.Sullivan & Son Building Contractors Limited is a 25-year-old private limited company registered in Leigh-on-Sea, company number 04270004, one of 125 building finishing companies in Leigh-on-Sea. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £9,205 (+55.2%) on the year before, to £26K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £79K against £92K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £26K | £45K | £79K | £92K | 0 |
| 31 Jul 2024 | £17K | £42K | £73K | £102K | 6 |
| 31 Jul 2023 | £15K | £43K | £72K | £99K | 5 |
| 31 Jul 2022 | £9,405 | £9,623 | £28K | £56K | 5 |
| 31 Jul 2021 | £18K | £5,662 | £37K | £56K | 5 |
| 31 Jul 2020 | £28K | £18K | £44K | £58K | 5 |
| 31 Jul 2019 | £20K | £17K | £43K | £51K | |
| 31 Jul 2018 | £18K | £33K | 5 | ||
| 31 Jul 2017 | £18K | £0 | £14K | £38K | 4 |
| 31 Jul 2016 | £11K | £9,994 | £24K | £39K |
Where J.J.Sullivan & Son Building Contractors Limited is registered
The registered office is in Leigh-on-Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 1SN on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
Shared registered office
37 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J.J.Sullivan & Son Building Contractors 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 04270004
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2001 (25 years ago)
- Registered office
- Kingsley House, 22-24 Elm Road, Leigh-on-Sea, Essex, SS9 1SN
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 30 July 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- J.J.Sullivan Building Contractors Limited (until 13 May 2020)
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 Leigh-on-Sea
Other active building finishing companies registered in Leigh-on-Sea.
- James and Lee Ltd2020
- JCM Building Solutions Ltd2019
- JFC Retail Solutions Limited2016
- JHB Maintenance Limited2025
- Jinc Projects Ltd2018
- JJL Solutions Limited2003
- JK Group London Ltd2019
- JPM Group Services Ltd2023
All building finishing companies in Leigh-on-Sea · All trades in Leigh-on-Sea · Finishing trades across the UK
Frequently asked questions
When are J.J.Sullivan & Son Building Contractors Limited's accounts due?
J.J.Sullivan & Son Building Contractors Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is J.J.Sullivan & Son Building Contractors Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is J.J.Sullivan & Son Building Contractors Limited still trading?
J.J.Sullivan & Son Building Contractors 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 J.J.Sullivan & Son Building Contractors Limited do?
J.J.Sullivan & Son Building Contractors Limited is registered under Other building completion and finishing (SIC 43390).
How old is J.J.Sullivan & Son Building Contractors Limited?
J.J.Sullivan & Son Building Contractors Limited was incorporated on 14 August 2001, 25 years ago.
What is the penalty if J.J.Sullivan & Son Building Contractors 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 J.J.Sullivan & Son Building Contractors 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.