- Companies
- Civil engineering
- Chatham
- R1 Civils & Groundworks Limited
R1 Civils & Groundworks Limited
- Company number
- 16296957
- Incorporated
- 6 Mar 20251 year trading
- Registered office
- C/O Blue Sky Accountants Ltd, Innovation Centre Medway, Maidstone Road, Chatham, Kent, ME5 9FD
- Nature of business
- Construction of other civil engineering projects n.e.c.
R1 Civils & Groundworks Limited is a 1-year-old private limited company registered in Chatham, company number 16296957, one of 77 civil engineering contractors in Chatham. Its next accounts are due at Companies House on 6 December 2026, and its first CT600 is due at HMRC on 5 March 2027.
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 R1 Civils & Groundworks Limited is registered
The registered office is in Chatham (ME5), in the Medway local authority area, South East. Show ME5 9FD on a map.
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Also registered at this address
1 other company uses the same registered office as R1 Civils & Groundworks Limited.
- GP Brickwork & Landscaping LimitedLandscapers and gardeners
What happens if R1 Civils & Groundworks 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 6 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 7 Dec 2026 to 6 Jan 2027 | £150 |
| 1 to 3 months late | 7 Jan 2027 to 6 Mar 2027 | £375 |
| 3 to 6 months late | 7 Mar 2027 to 6 Jun 2027 | £750 |
| More than 6 months late | From 7 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 16296957
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2025 (1 year ago)
- Registered office
- C/O Blue Sky Accountants Ltd, Innovation Centre Medway, Maidstone Road, Chatham, Kent, ME5 9FD
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 March 2026
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 Chatham
Other active civil engineering contractors registered in Chatham.
- RB Surveys Limited2014
- RJW Contracts Limited2020
- Royland Contractors Limited1993
- RSM Network Solutions Limited2026
- S P Mills Ltd2016
- Sergio Cardoso Ltd2026
- Sidolart Rails and Construction Ltd2023
- Smart Lay Surfacing Ltd2026
All civil engineering contractors in Chatham · All trades in Chatham · Civil engineering across the UK
Frequently asked questions
When are R1 Civils & Groundworks Limited's accounts due?
R1 Civils & Groundworks Limited's next accounts are due at Companies House by 6 December 2026 (in 54 days), covering the period to 31 March 2026.
When is R1 Civils & Groundworks Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 5 March 2026, due by 5 March 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is R1 Civils & Groundworks Limited still trading?
R1 Civils & Groundworks 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 R1 Civils & Groundworks Limited do?
R1 Civils & Groundworks Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is R1 Civils & Groundworks Limited?
R1 Civils & Groundworks Limited was incorporated on 6 March 2025, 1 year ago.
What is the penalty if R1 Civils & Groundworks 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 R1 Civils & Groundworks 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.