- Companies
- Groundworks and demolition
- Cockermouth
- MN Groundwork & Construction Limited
MN Groundwork & Construction Limited
- Company number
- 15570976
- Incorporated
- 17 Mar 20242 years trading
- Registered office
- 54A Main Street, Cockermouth, Cumbria, CA13 9LU
- Nature of business
- Site preparation
MN Groundwork & Construction Limited is a 2-year-old private limited company registered in Cockermouth, company number 15570976, one of the UK's groundworks and demolition companies. 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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Where MN Groundwork & Construction Limited is registered
The registered office is in Cockermouth (CA13), in the Cumberland local authority area, North West. Show CA13 9LU on a map.
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Also registered at this address
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What happens if MN Groundwork & Construction 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 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
- 15570976
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 March 2024 (2 years ago)
- Registered office
- 54A Main Street, Cockermouth, Cumbria, CA13 9LU
- Nature of business
- Site preparation (SIC 43120)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 16 March 2026
Filing notes for groundworks and demolition companies
Groundworks and demolition companies tend to own heavy plant, so capital allowances and hire purchase liabilities show up in both the accounts and the CT600.
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Frequently asked questions
When are MN Groundwork & Construction Limited's accounts due?
MN Groundwork & Construction Limited's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is MN Groundwork & Construction Limited'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 MN Groundwork & Construction Limited still trading?
MN Groundwork & Construction 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 MN Groundwork & Construction Limited do?
MN Groundwork & Construction Limited is registered under Site preparation (SIC 43120).
How old is MN Groundwork & Construction Limited?
MN Groundwork & Construction Limited was incorporated on 17 March 2024, 2 years ago.
What is the penalty if MN Groundwork & Construction 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 MN Groundwork & Construction 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.