- Companies
- Plumbers and heating engineers
- Hull
- HJZ Engineering Ltd.
HJZ Engineering Ltd.
- Company number
- 11025347
- Incorporated
- 23 Oct 20178 years trading
- Registered office
- 23 Shinewater Park, Hull, North Humberside, HU7 3GG
- Nature of business
- Plumbing, heat and air-conditioning installation
HJZ Engineering Ltd. is a 8-year-old private limited company registered in Hull, company number 11025347, one of 179 plumbing and heating companies in Hull. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 down £1,712 (-16.1%) on the year before, to £8,923.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £11K against £7,678 owed within a year: 1.4 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £8,923 | £6,520 | £11K | £7,678 | 1 |
| 31 Oct 2024 | £11K | £750 | £8,491 | £4,214 | 1 |
| 31 Oct 2023 | £6,757 | £3,352 | £7,802 | £4,223 | 0 |
| 31 Oct 2022 | £19K | £3,956 | £26K | £20K | 0 |
| 31 Oct 2021 | £8,247 | £15K | £20K | £16K | 2 |
| 31 Oct 2020 | £5,330 | £6,319 | £14K | £14K | 1 |
| 31 Oct 2019 | £5,353 | £1,113 | £2,306 | £6,162 | 1 |
| 31 Oct 2018 | £95 | £2,295 | £0 |
Who runs and owns HJZ Engineering Ltd.
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| H*** Z*** | Director | Oct 2017 |
Person with significant control
Where HJZ Engineering Ltd. is registered
The registered office is in Hull (HU7), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU7 3GG on a map.
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What happens if HJZ Engineering 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 11025347
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 October 2017 (8 years ago)
- Registered office
- 23 Shinewater Park, Hull, North Humberside, HU7 3GG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 22 October 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Hull
Other active plumbing and heating companies registered in Hull.
- Holmes (Hull) Limited2014
- HS Group Hull Ltd2024
- Hull City Bathrooms Ltd2022
- Hull City Plumbing and Heating Services Limited2010
- Humber Heat & Flow Limited2023
- Humber Home Shield Ltd2016
- Industrial Refrigeration Services (Northern) Limited2006
- J&S Plumbing and Heating Construction Ltd2024
All plumbing and heating companies in Hull · All trades in Hull · Plumbers and heating engineers across the UK
Frequently asked questions
When are HJZ Engineering Ltd.'s accounts due?
HJZ Engineering Ltd.'s next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is HJZ Engineering Ltd.'s CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is HJZ Engineering Ltd. still trading?
HJZ Engineering 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 HJZ Engineering Ltd. do?
HJZ Engineering Ltd. is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is HJZ Engineering Ltd.?
HJZ Engineering Ltd. was incorporated on 23 October 2017, 8 years ago.
Who runs HJZ Engineering Ltd.?
HJZ Engineering Ltd. has 1 active director, the longest-serving appointed in Oct 2017. Their names and service addresses are on the Companies House register.
Who owns HJZ Engineering Ltd.?
One person or company has significant control of HJZ Engineering Ltd.: an individual (has significant influence or control).
What is the penalty if HJZ Engineering 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 HJZ Engineering 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.