- Companies
- Finishing trades
- Northampton
- Piotr Mario Building Ltd
Piotr Mario Building Ltd
- Company number
- 16394581
- Incorporated
- 17 Apr 20251 year trading
- Registered office
- 33B Bridge Street, Northampton, NN1 1NS
- Nature of business
- Other building completion and finishing
Piotr Mario Building Ltd is a 1-year-old private limited company registered in Northampton, company number 16394581, one of 185 building finishing companies in Northampton. Its next accounts are due at Companies House on 17 January 2027, and its first CT600 is due at HMRC on 16 April 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 Piotr Mario Building Ltd is registered
The registered office is in Northampton (NN1), in the West Northamptonshire local authority area, East Midlands. Show NN1 1NS on a map.
Other trade companies in NN1
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- Remedy Property Services LtdSpecialist contractors
- Deezi LtdJoiners and carpenters
- Setup Phone LtdRepair services
- Macmarlloe LtdPlumbers and heating engineers
- Robertconstructor LtdBuilders
- DSB Ground Works LtdBuilders
What happens if Piotr Mario Building 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 17 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Jan 2027 to 17 Feb 2027 | £150 |
| 1 to 3 months late | 18 Feb 2027 to 17 Apr 2027 | £375 |
| 3 to 6 months late | 18 Apr 2027 to 17 Jul 2027 | £750 |
| More than 6 months late | From 18 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16394581
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 April 2025 (1 year ago)
- Registered office
- 33B Bridge Street, Northampton, NN1 1NS
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 16 April 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Northampton
Other active building finishing companies registered in Northampton.
- Pixel Home Improvements Limited2021
- PJB Property Limited2018
- PKK Property Maintenance and Management Ltd2021
- PMK Manning & Sons Limited2013
- Principal Property Services Limited2024
- Principal Restoration Services Limited2025
- Principle Property Services Limited2007
- Pro 4Y Ltd2023
All building finishing companies in Northampton · All trades in Northampton · Finishing trades across the UK
Frequently asked questions
When are Piotr Mario Building Ltd's accounts due?
Piotr Mario Building Ltd's next accounts are due at Companies House by 17 January 2027 (in 96 days), covering the period to 30 April 2026.
When is Piotr Mario Building 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 16 April 2026, due by 16 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Piotr Mario Building Ltd still trading?
Piotr Mario Building 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 Piotr Mario Building Ltd do?
Piotr Mario Building Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Piotr Mario Building Ltd?
Piotr Mario Building Ltd was incorporated on 17 April 2025, 1 year ago.
What is the penalty if Piotr Mario Building 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 Piotr Mario Building 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.