Ronovax Ltd
- Company number
- 16473668
- Incorporated
- 26 May 20251 year trading
- Registered office
- 19 Herns Lane, Welwyn Garden City, AL7 2AG
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate
Ronovax Ltd is a 1-year-old private limited company registered in Welwyn Garden City, company number 16473668, one of 43 property development companies in Welwyn Garden City. Its next accounts are due at Companies House on 26 February 2027, and its first CT600 is due at HMRC on 25 May 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Ronovax Ltd is registered
The registered office is in Welwyn Garden City (AL7), in the Welwyn Hatfield local authority area, East of England. Show AL7 2AG on a map.
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Also registered at this address
1 other company uses the same registered office as Ronovax Ltd.
- Build Up LtdBuilders
What happens if Ronovax 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 26 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Feb 2027 to 26 Mar 2027 | £150 |
| 1 to 3 months late | 27 Mar 2027 to 26 May 2027 | £375 |
| 3 to 6 months late | 27 May 2027 to 26 Aug 2027 | £750 |
| More than 6 months late | From 27 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 16473668
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 May 2025 (1 year ago)
- Registered office
- 19 Herns Lane, Welwyn Garden City, AL7 2AG
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 25 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Welwyn Garden City
Other active property development companies registered in Welwyn Garden City.
- Signia Developments Limited2004
- Singer Properties Ltd2025
- Sky Homes (LC) Limited2025
- Stefan Lankov Limited2015
- VPTP Limited2024
- Wideworld Limited2007
- Windover Development Limited2018
- Worcesterhenry Ltd2026
All property development companies in Welwyn Garden City · All trades in Welwyn Garden City · Property developers across the UK
Frequently asked questions
When are Ronovax Ltd's accounts due?
Ronovax Ltd's next accounts are due at Companies House by 26 February 2027 (in 136 days), covering the period to 31 May 2026.
When is Ronovax Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 May 2026, due by 25 May 2027, and one for the period to 31 May 2026, due by 31 May 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ronovax Ltd still trading?
Ronovax 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 Ronovax Ltd do?
Ronovax Ltd is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Ronovax Ltd?
Ronovax Ltd was incorporated on 26 May 2025, 1 year ago.
What is the penalty if Ronovax 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 Ronovax 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.