- Companies
- Installers
- Osm Construction Ltd
Osm Construction Ltd
- Company number
- 10777375
- Incorporated
- 18 May 20179 years trading
- Registered office
- Unit 27 Gatehouse Hub, Neaves Park, Goddards Green, West Sussex, BN6 9ZN
- Nature of business
- Other construction installation
Osm Construction Ltd is a 9-year-old private limited company registered in Goddards Green, company number 10777375, one of the UK's installation companies (insulation, lifts, shutters and similar). Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 up £137K (+42.1%) on the year before, to £462K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £645K against £246K owed within a year: 2.6 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £462K | £242K | £645K | £246K | 2 |
| 30 Sep 2024 | £325K | £369K | £910K | £644K | 2 |
| 30 Sep 2023 | £215K | £590K | £760K | £562K | 2 |
| 30 Sep 2022 | £99K | £168K | £478K | £385K | 2 |
| 30 Sep 2021 | £69K | £267K | £457K | £385K | 2 |
| 30 Sep 2020 | £85K | £148K | £466K | £361K | 3 |
| 30 Sep 2019 | £36K | £45K | £274K | £262K | 2 |
| 30 Sep 2018 | £31K | £80K | £163K | £140K | 3 |
Public contracts won
Osm Construction Ltd has one public sector contract award on record; the ones with their own published value total £15M (2020). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Tower Hamlets | P5520 - PL0003LON - Site Construction and Relocation Services | £15M | 7 Feb 2020 |
Where Osm Construction Ltd is registered
The registered office is in Goddards Green (BN6), in the Mid Sussex local authority area, South East. Show BN6 9ZN on a map.
Other trade companies in BN6
- Stone Floor Restore LimitedFinishing trades
- Terra Plaster LtdPlasterers
- Titan Electrical Solutions (Se) LtdElectricians
- Precision Cool Systems LtdPlumbers and heating engineers
- Byanda LimitedGroundworks and demolition
- PH Electrical Sussex LimitedElectricians
- Hassocks Cycle Works LtdMachinery repair and installation
- Kas Maintenance LtdSpecialist contractors
What happens if Osm Construction 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 10777375
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2017 (9 years ago)
- Registered office
- Unit 27 Gatehouse Hub, Neaves Park, Goddards Green, West Sussex, BN6 9ZN
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 November 2025
- Previous names
- JCJ Modular Construction Ltd (until 16 Nov 2017)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies
Other active installation companies (insulation, lifts, shutters and similar).
Frequently asked questions
When are Osm Construction Ltd's accounts due?
Osm Construction Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Osm Construction Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Osm Construction Ltd still trading?
Osm Construction 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 Osm Construction Ltd do?
Osm Construction Ltd is registered under Other construction installation (SIC 43290).
How old is Osm Construction Ltd?
Osm Construction Ltd was incorporated on 18 May 2017, 9 years ago.
Has Osm Construction Ltd won public sector contracts?
Yes. Osm Construction Ltd has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £15M), most recently from Tower Hamlets.
What is the penalty if Osm Construction 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 Osm Construction 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.