- Companies
- Specialist contractors
- Havant
- Blackwood Saunas Ltd
Blackwood Saunas Ltd
- Company number
- 16079109
- Incorporated
- 14 Nov 20241 year trading
- Registered office
- Unit 50, Harts Farm Way, Havant, PO9 1HS
- Nature of business
- Other specialised construction activities n.e.c.
Blackwood Saunas Ltd is a 1-year-old private limited company registered in Havant, company number 16079109, one of 16 specialist construction companies in Havant. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 November 2025, as filed at Companies House.
Where Blackwood Saunas Ltd is registered
The registered office is in Havant (PO9), in the Havant local authority area, South East. Show PO9 1HS on a map.
Other trade companies in PO9
- Frontline Gas LtdPlumbers and heating engineers
- RLB Building Services LtdFinishing trades
- KS Electrical Contractors LtdElectricians
- Kja-Auditing LtdSpecialist contractors
- Ajl Group LtdBuilders
- Top Premium Hand Car Wash LtdCleaning companies
- Moz-Tec Plastering LtdPlasterers
- MLM Civil Engineering LtdBuilders
What happens if Blackwood Saunas 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16079109
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2024 (1 year ago)
- Registered office
- Unit 50, Harts Farm Way, Havant, PO9 1HS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 9 January 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Havant
Other active specialist construction companies registered in Havant.
- Colin R Jones Ltd2026
- Dani1904 Ltd2019
- Funnell & Howard Limited2005
- H&S Safety Services Limited2020
- Jacobs Construction (Holdings) Limited1995
- Jacobs Construction Limited1990
- Kja-Auditing Ltd2026
- Lee Mark Tigwell Carpentry Ltd2024
All specialist construction companies in Havant · All trades in Havant · Specialist contractors across the UK
Frequently asked questions
When are Blackwood Saunas Ltd's accounts due?
Blackwood Saunas Ltd's next accounts are due at Companies House by 31 August 2027 (in 321 days), covering the period to 30 November 2026.
When is Blackwood Saunas Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Blackwood Saunas Ltd still trading?
Blackwood Saunas 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 Blackwood Saunas Ltd do?
Blackwood Saunas Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Blackwood Saunas Ltd?
Blackwood Saunas Ltd was incorporated on 14 November 2024, 1 year ago.
What is the penalty if Blackwood Saunas 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 Blackwood Saunas 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.