- Companies
- Civil engineering
- Edenbridge
- R Mounger Ltd
R Mounger Ltd
- Company number
- 16074165
- Incorporated
- 12 Nov 20241 year trading
- Registered office
- Flat 5 Sheene Court, 1 Silverstone Close, Edenbridge, Kent, TN8 6FJ
- Nature of business
- Construction of roads and motorways
R Mounger Ltd is a 1-year-old private limited company registered in Edenbridge, company number 16074165, one of the UK's civil engineering contractors. Companies House shows its accounts as overdue: they were due on 12 August 2026.
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.
Is this your company?
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Where R Mounger Ltd is registered
The registered office is in Edenbridge (TN8), in the Sevenoaks local authority area, South East. Show TN8 6FJ on a map.
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What happens if R Mounger Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 Aug 2026 to 12 Sep 2026 | £150 |
| 1 to 3 months late | 13 Sep 2026 to 12 Nov 2026 | £375 |
| 3 to 6 months late | 13 Nov 2026 to 12 Feb 2027 | £750 |
| More than 6 months late | From 13 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2026 | £200 |
| 3 months late | 28 Feb 2027 | another £200 |
| 6 months late | 30 May 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 2027 | 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
- 16074165
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2024 (1 year ago)
- Registered office
- Flat 5 Sheene Court, 1 Silverstone Close, Edenbridge, Kent, TN8 6FJ
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 30 November (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 29 November 2025
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 Edenbridge
Other active civil engineering contractors registered in Edenbridge.
All civil engineering contractors in Edenbridge · All trades in Edenbridge · Civil engineering across the UK
Frequently asked questions
When are R Mounger Ltd's accounts due?
R Mounger Ltd's accounts were due at Companies House on 12 August 2026 and the register shows them as overdue.
When is R Mounger 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 11 November 2025, due by 11 November 2026, and one for the period to 30 November 2025, due by 30 November 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is R Mounger Ltd still trading?
R Mounger Ltd is listed as active on the Companies House register (checked 13 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 R Mounger Ltd do?
R Mounger Ltd is registered under Construction of roads and motorways (SIC 42110).
How old is R Mounger Ltd?
R Mounger Ltd was incorporated on 12 November 2024, 1 year ago.
What is the penalty if R Mounger 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 R Mounger Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.