- Companies
- Plumbers and heating engineers
- Nova Os Ltd
Nova Os Ltd
- Company number
- 15981207
- Incorporated
- 26 Sep 20242 years trading
- Registered office
- Shoreditch Exchange, Gorsuch Place, Shoreditch, London, E2 8JF
- Nature of business
- Plumbing, heat and air-conditioning installation; Business and domestic software development; Other business support service activities n.e.c.
Nova Os Ltd is a 2-year-old private limited company registered in Shoreditch, company number 15981207, one of the UK's plumbing and heating companies. 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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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Where Nova Os Ltd is registered
The registered office is in Shoreditch (E2), in the Hackney local authority area, London. Show E2 8JF on a map.
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What happens if Nova Os 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
- 15981207
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2024 (2 years ago)
- Registered office
- Shoreditch Exchange, Gorsuch Place, Shoreditch, London, E2 8JF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Business and domestic software development (SIC 62012)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 6 December 2025
- Previous names
- Project Heat Install Limited (until 9 Mar 2026)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies
Other active plumbing and heating companies.
Frequently asked questions
When are Nova Os Ltd's accounts due?
Nova Os 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 Nova Os 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 Nova Os Ltd still trading?
Nova Os 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 Nova Os Ltd do?
Nova Os Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Business and domestic software development (SIC 62012); Other business support service activities n.e.c. (SIC 82990).
How old is Nova Os Ltd?
Nova Os Ltd was incorporated on 26 September 2024, 2 years ago.
What is the penalty if Nova Os 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 Nova Os 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.