- Companies
- Civil engineering
- Portsmouth
- RW Groundworks Ltd
RW Groundworks Ltd
- Company number
- 17131982
- Incorporated
- 1 Apr 2026
- Registered office
- 17 Cardiff Road, Portsmouth, PO2 8BH
- Nature of business
- Construction of other civil engineering projects n.e.c.
RW Groundworks Ltd is a newly incorporated private limited company registered in Portsmouth, company number 17131982, one of 74 civil engineering contractors in Portsmouth. Its next accounts are due at Companies House on 1 January 2028, and its first CT600 is due at HMRC on 31 March 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where RW Groundworks Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 8BH on a map.
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What happens if RW Groundworks 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 1 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 2 Jan 2028 to 1 Feb 2028 | £150 |
| 1 to 3 months late | 2 Feb 2028 to 1 Apr 2028 | £375 |
| 3 to 6 months late | 2 Apr 2028 to 1 Jul 2028 | £750 |
| More than 6 months late | From 2 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17131982
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2026
- Registered office
- 17 Cardiff Road, Portsmouth, PO2 8BH
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Portsmouth
Other active civil engineering contractors registered in Portsmouth.
- Sam Upton Ltd2023
- Savage Civil Engineering Ltd2026
- Shorehaven Construction & Developments Ltd2018
- Southern Drives Hampshire Limited2026
- Southern Paving Limited2011
- Stuart Ryan Groundworks Ltd2019
- T Coleborn and Son Limited1998
- T.Couzens & Sons Limited1931
All civil engineering contractors in Portsmouth · All trades in Portsmouth · Civil engineering across the UK
Frequently asked questions
When are RW Groundworks Ltd's accounts due?
RW Groundworks Ltd's next accounts are due at Companies House by 1 January 2028 (in 445 days), covering the period to 30 April 2027.
When is RW Groundworks Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2027, due by 31 March 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is RW Groundworks Ltd still trading?
RW Groundworks 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 RW Groundworks Ltd do?
RW Groundworks Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is RW Groundworks Ltd?
RW Groundworks Ltd was incorporated on 1 April 2026, less than a year ago.
What is the penalty if RW Groundworks 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 RW Groundworks 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.