- Company number
- 17447346
- Incorporated
- 8 Sep 2026
- Registered office
- 17 Edward Clarke Close, Cardiff, CF5 2RW
- Nature of business
- Construction of domestic buildings
MN Projects Co. Ltd is a newly incorporated private limited company registered in Cardiff, company number 17447346, one of 361 building contractors in Cardiff. Its next accounts are due at Companies House on 8 June 2028, and its first CT600 is due at HMRC on 7 September 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.
Is this your company?
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Where MN Projects Co. Ltd is registered
The registered office is in Cardiff (CF5), in the Cardiff local authority area, Wales. Show CF5 2RW on a map.
Other trade companies in CF5
- Art Electrical Solutions LimitedElectricians
- Chapman Construction Cardiff LtdBuilders
- Bridge Deck Solutions LtdCivil engineering
- Gilps Construction LtdPainters and decorators
- CF Window Cleaning LtdCleaning companies
- RK Fire and Electrical LtdElectricians
- BDL Cleaning LtdCleaning companies
- Finrhoc LtdProperty developers
Also registered at this address
1 other company uses the same registered office as MN Projects Co. Ltd.
- B & W Builders LtdFinishing trades
What happens if MN Projects Co. 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 8 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jun 2028 to 8 Jul 2028 | £150 |
| 1 to 3 months late | 9 Jul 2028 to 8 Sep 2028 | £375 |
| 3 to 6 months late | 9 Sep 2028 to 8 Dec 2028 | £750 |
| More than 6 months late | From 9 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17447346
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2026
- Registered office
- 17 Edward Clarke Close, Cardiff, CF5 2RW
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Cardiff
Other active building contractors registered in Cardiff.
- Modex Buildings Ltd2017
- Modex Spaces Ltd1951
- Monismon Holding Ltd2025
- Monnow Construction Company Limited1971
- MPG Services Ltd2026
- MR Crazy Wood Ltd2025
- Mti Bars Ltd2021
- N & S Nawa Building Ltd2026
All building contractors in Cardiff · All trades in Cardiff · Builders across the UK
Frequently asked questions
When are MN Projects Co. Ltd's accounts due?
MN Projects Co. Ltd's next accounts are due at Companies House by 8 June 2028 (in 605 days), covering the period to 30 September 2027.
When is MN Projects Co. 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 7 September 2027, due by 7 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is MN Projects Co. Ltd still trading?
MN Projects Co. 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 MN Projects Co. Ltd do?
MN Projects Co. Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is MN Projects Co. Ltd?
MN Projects Co. Ltd was incorporated on 8 September 2026, less than a year ago.
What is the penalty if MN Projects Co. 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 MN Projects Co. 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.