- Company number
- 13951544
- Incorporated
- 3 Mar 20224 years trading
- Registered office
- 5 Netherfield Road, Nelson, Lancashire, BB9 9AW
- Nature of business
- Construction of domestic buildings; Plastering; Painting
Cosmin Building Limited is a 4-year-old private limited company registered in Nelson, company number 13951544, one of 39 building contractors in Nelson. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Cosmin Building LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £861 (+151.1%) on the year before, to £291.
- Current assets of £178 against £831 owed within a year: 0.2 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Mar 2025 | £291 | £178 | £831 | 3 | |
| 31 Mar 2024 | -£570 | £198 | £768 | 3 | |
| 31 Mar 2023 | -£5,106 | £149 | 3 |
Where Cosmin Building Limited is registered
The registered office is in Nelson (BB9), in the Pendle local authority area, North West. Show BB9 9AW on a map.
Other trade companies in BB9
- Dash Doctor Electrics LtdMachinery repair and installation
- Amph Facilities LtdFinishing trades
- Oakline Automotive LimitedMotor traders
- Velocity Car Group LtdMotor traders
- Autonix Motor Parts LtdMotor traders
- Barden Motor Factors LtdMotor traders
- Stoian LtdBuilders
- Paddoc LtdMotor traders
What happens if Cosmin Building 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 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 | 30 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
- 13951544
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 2022 (4 years ago)
- Registered office
- 5 Netherfield Road, Nelson, Lancashire, BB9 9AW
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plastering (SIC 43310)
Painting (SIC 43341) - Year end
- 30 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 March 2025
- Last confirmation statement
- 17 August 2026
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 Nelson
Other active building contractors registered in Nelson.
- Crawford Brickwork Limited2025
- D O I Construction Limited2018
- Expert Cleaning 26 Ltd2026
- Fieldstone End Limited2023
- Industrious Brickwork Ltd2025
- J & R UK Plant Hire Limited2009
- Jmilliken Contractors Ltd2025
- Keystone Construction Ltd2024
All building contractors in Nelson · All trades in Nelson · Builders across the UK
Frequently asked questions
When are Cosmin Building Limited's accounts due?
Cosmin Building Limited's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is Cosmin Building Limited's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is Cosmin Building Limited still trading?
Cosmin Building 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 Cosmin Building Limited do?
Cosmin Building Limited is registered under Construction of domestic buildings (SIC 41202); Plastering (SIC 43310); Painting (SIC 43341).
How old is Cosmin Building Limited?
Cosmin Building Limited was incorporated on 3 March 2022, 4 years ago.
What is the penalty if Cosmin Building 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 Cosmin Building 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.