- Company number
- 03575442
- Incorporated
- 4 Jun 199828 years trading
- Registered office
- 36 Pentland Rise, Fareham, PO16 8JL
- Nature of business
- Construction of domestic buildings
B J Plumbing Limited is a 28-year-old private limited company registered in Fareham, company number 03575442, one of 131 building contractors in Fareham. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £33K (+13.6%) on the year before, to £273K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £7,729 against £15K owed within a year: 0.5 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £273K | £7,729 | £15K | 2 | |
| 30 Jun 2024 | £240K | £46K | £0 | 2 | |
| 30 Jun 2023 | -£199K | £46K | £248K | £159K | 2 |
| 30 Jun 2022 | £333K | £594K | £643K | £18K | 2 |
| 30 Jun 2021 | -£158K | £109K | £921K | £788K | 2 |
| 30 Jun 2020 | £183K | £761K | £688K | 2 | |
| 30 Jun 2019 | £189K | £756K | £672K | 2 | |
| 30 Jun 2018 | £50K | £621K | £427K | ||
| 30 Jun 2017 | -£52K | £344K | £404K | ||
| 30 Jun 2016 | -£109K | £29K | £151K |
Where B J Plumbing Limited is registered
The registered office is in Fareham (PO16), in the Fareham local authority area, South East. Show PO16 8JL on a map.
Other trade companies in PO16
- Telos Contracts LtdFinishing trades
- Grappuch LimitedFinishing trades
- Cis UK Solutions LtdElectricians
- Pato Construction Group LtdBuilders
- JMS Utilities LimitedCivil engineering
- C Hill Property Maintenance LtdFinishing trades
- BJM Fencing & Landscaping LtdSpecialist contractors
- Baltic Scaffolding LtdScaffolders
What happens if B J Plumbing 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
- 03575442
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 1998 (28 years ago)
- Registered office
- 36 Pentland Rise, Fareham, PO16 8JL
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 26 August 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
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 Fareham
Other active building contractors registered in Fareham.
- Beaubridge Make Homes 1 Limited2020
- Belcam Limited2019
- Bitterne Building Contractors Ltd2023
- BLL Construction Limited2026
- Blue Moon Developments (Southampton) Limited2001
- Bogdans Home Improvements Ltd2023
- Bookmark Developments Ltd2024
- BTK Scaffolding Limited2026
All building contractors in Fareham · All trades in Fareham · Builders across the UK
Frequently asked questions
When are B J Plumbing Limited's accounts due?
B J Plumbing 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 B J Plumbing Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is B J Plumbing Limited still trading?
B J Plumbing 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 B J Plumbing Limited do?
B J Plumbing Limited is registered under Construction of domestic buildings (SIC 41202).
How old is B J Plumbing Limited?
B J Plumbing Limited was incorporated on 4 June 1998, 28 years ago.
What is the penalty if B J Plumbing 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 B J Plumbing 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.