- Company number
- 13254500
- Incorporated
- 9 Mar 20215 years trading
- Registered office
- Greenacres Main Street, Welham, Retford, DN22 0SJ
- Nature of business
- Construction of domestic buildings; Other specialised construction activities n.e.c.
Osmax Building & Hard Landscape Limited is a 5-year-old private limited company registered in Retford, company number 13254500, one of 39 building contractors in Retford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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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 down £5,563 (-41.3%) on the year before, to £7,894.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £5,629 against £3,299 owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £7,894 | £5,629 | £3,299 | 2 | |
| 31 Mar 2024 | £13K | £12K | £6,771 | 2 | |
| 31 Mar 2023 | £13K | £19K | £19K | £17K | 2 |
| 31 Mar 2022 | £8,855 | £3,293 | £3,293 | £8,531 | 1 |
Where Osmax Building & Hard Landscape Limited is registered
The registered office is in Retford (DN22), in the Bassetlaw local authority area, East Midlands. Show DN22 0SJ on a map.
Other trade companies in DN22
- KRF Resin LtdFloor and wall tilers
- HC Maintenance Solutions LtdMachinery repair and installation
- Britmac Holdings LtdProperty developers
- Yatsar LimitedBuilders
- Lodge Brickwork & Construction LtdBuilders
- RM Property Maintenance and Improvements LtdLandscapers and gardeners
- BCW Plumbing and Heating LtdProperty developers
- Eluminate Services LtdElectricians
What happens if Osmax Building & Hard Landscape 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 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 | 1 Apr 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 | 31 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
- 13254500
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2021 (5 years ago)
- Registered office
- Greenacres Main Street, Welham, Retford, DN22 0SJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 March 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 Retford
Other active building contractors registered in Retford.
- Ramper Construction Limited1992
- S Johnson Construction Limited2015
- Tradies Ltd2025
- Trueline Exteriors Ltd2025
- V J A Brickwork Ltd2015
- Woodlands Building and Construction Limited1998
- Yatsar Limited2026
- 8F Construction Ltd2026
All building contractors in Retford · All trades in Retford · Builders across the UK
Frequently asked questions
When are Osmax Building & Hard Landscape Limited's accounts due?
Osmax Building & Hard Landscape Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Osmax Building & Hard Landscape Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Osmax Building & Hard Landscape Limited still trading?
Osmax Building & Hard Landscape 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 Osmax Building & Hard Landscape Limited do?
Osmax Building & Hard Landscape Limited is registered under Construction of domestic buildings (SIC 41202); Other specialised construction activities n.e.c. (SIC 43999).
How old is Osmax Building & Hard Landscape Limited?
Osmax Building & Hard Landscape Limited was incorporated on 9 March 2021, 5 years ago.
What is the penalty if Osmax Building & Hard Landscape 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 Osmax Building & Hard Landscape 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.