- Companies
- Specialist contractors
- Harrow
- Rocks Investment Limited
Rocks Investment Limited
- Company number
- 12763247
- Incorporated
- 23 Jul 20206 years trading
- Registered office
- Third Floor,Grove House, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Other specialised construction activities n.e.c.
Rocks Investment Limited is a 6-year-old private limited company registered in Harrow, company number 12763247, one of 273 specialist construction companies in Harrow. 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 down £450 (-38.8%) on the year before, to -£1,610.
- Net assets rose in 0 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | -£1,610 | £100 | 0 | ||
| 31 Jul 2024 | -£1,160 | £100 | 0 | ||
| 31 Jul 2023 | -£710 | £100 | 0 | ||
| 31 Jul 2022 | -£290 | £100 | 0 | ||
| 31 Jul 2021 | £100 | £100 |
Where Rocks Investment Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 3AW on a map.
Other trade companies in HA1
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- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
What happens if Rocks Investment 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
- 12763247
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2020 (6 years ago)
- Registered office
- Third Floor,Grove House, 55 Lowlands Road, Harrow, HA1 3AW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 22 July 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Harrow
Other active specialist construction companies registered in Harrow.
- Rotiling Ltd2016
- RPJB Limited2026
- Rusen Group Ltd2023
- Rusu N&D Ltd2025
- Sach Interiors Limited2026
- Saga I&I Development Ltd2021
- SDV Connect Limited2022
- Secure Boundaries Limited2025
All specialist construction companies in Harrow · All trades in Harrow · Specialist contractors across the UK
Frequently asked questions
When are Rocks Investment Limited's accounts due?
Rocks Investment 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 Rocks Investment 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 Rocks Investment Limited still trading?
Rocks Investment 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 Rocks Investment Limited do?
Rocks Investment Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Rocks Investment Limited?
Rocks Investment Limited was incorporated on 23 July 2020, 6 years ago.
What is the penalty if Rocks Investment 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 Rocks Investment 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.