- Companies
- Plumbers and heating engineers
- Waterlooville
- Rock Zero Group Ltd
Rock Zero Group Ltd
- Company number
- 10017679
- Incorporated
- 22 Feb 201610 years trading
- Registered office
- 23A the Precinct, London Road, Waterlooville, Hampshire, PO7 7DT
- Nature of business
- Plumbing, heat and air-conditioning installation
Rock Zero Group Ltd is a 10-year-old private limited company registered in Waterlooville, company number 10017679, one of 133 plumbing and heating companies in Waterlooville. 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 down £42K (-85.4%) on the year before, to £7,193.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £7,193 | £0 | 1 | ||
| 29 Feb 2024 | £49K | £54K | 1 | ||
| 28 Feb 2023 | £7,095 | £0 | 1 | ||
| 28 Feb 2022 | -£9,598 | £12K | £11K | 1 | |
| 28 Feb 2021 | -£14K | £9,732 | £11K | 1 | |
| 29 Feb 2020 | £13K | £17K | £8,294 | 1 | |
| 28 Feb 2019 | £13K | £17K | £11K | ||
| 28 Feb 2018 | £12K | £15K | £7,274 | ||
| 28 Feb 2017 | £10K | £13K | £16K |
Where Rock Zero Group Ltd is registered
The registered office is in Waterlooville (PO7), in the Havant local authority area, South East. Show PO7 7DT on a map.
Other trade companies in PO7
- Coast to Coast Flooring LtdFloor and wall tilers
- Fortress Roofing Services LtdInstallers
- Redlands Roofing LtdInstallers
- WCP Plumbing & Heating LtdPlumbers and heating engineers
- Sparmor Developments LtdProperty developers
- Titan Home Improvements LtdProperty developers
- Accord Housing LimitedProperty developers
- JM Property & Stoves Services LimitedBuilders
Shared registered office
357 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 Rock Zero Group 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
- 10017679
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 February 2016 (10 years ago)
- Registered office
- 23A the Precinct, London Road, Waterlooville, Hampshire, PO7 7DT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 21 February 2026
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 Waterlooville
Other active plumbing and heating companies registered in Waterlooville.
- S Giles Bathrooms Limited2022
- S R M Gas Solutions Ltd2017
- Scott Ware Home Care Limited2025
- Sge Phoenix Ltd2015
- Shaikh Plumbing Limited2025
- Skan Plumbing Heating Electrical Ltd2021
- South Coast Heating & Renewables Ltd2021
- South Coast Heating Installations Ltd2020
All plumbing and heating companies in Waterlooville · All trades in Waterlooville · Plumbers and heating engineers across the UK
Frequently asked questions
When are Rock Zero Group Ltd's accounts due?
Rock Zero Group 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 Rock Zero Group 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 Rock Zero Group Ltd still trading?
Rock Zero Group 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 Rock Zero Group Ltd do?
Rock Zero Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Rock Zero Group Ltd?
Rock Zero Group Ltd was incorporated on 22 February 2016, 10 years ago.
What is the penalty if Rock Zero Group 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 Rock Zero Group 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.