- Companies
- Machinery repair and installation
- London
- JR Ventilation Ltd
JR Ventilation Ltd
- Company number
- 13818855
- Incorporated
- 28 Dec 20214 years trading
- Registered office
- 73 Greenfield Road, London, E1 1EJ
- Nature of business
- Installation of industrial machinery and equipment; Plumbing, heat and air-conditioning installation
JR Ventilation Ltd is a 4-year-old private limited company registered in London, company number 13818855, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 31 December 2026, and its first CT600 is due at HMRC on 31 December 2026.
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 £8,354 on the year before, to £8,356.
- 2 employees on average during the year.
- Balance sheets on record for 3 years, 2022 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £8,356 | £26K | 2 | ||
| 31 Dec 2023 | £2 | ||||
| 31 Dec 2022 | £25K | £8,382 | £32K | 2 |
Where JR Ventilation Ltd is registered
The registered office is in London (E1), in the Tower Hamlets local authority area, London. Show E1 1EJ on a map.
Other trade companies in E1
- Safa Builds LtdElectricians
- Ribh LtdElectricians
- Tyres on Call LtdMechanics and garages
- Hrautosources LtdMotor traders
- Choiceworks LimitedInstallers
- E.M Construction London LtdBuilders
- Qubic Maintenance LtdSpecialist contractors
- Moovin Transport LtdMechanics and garages
What happens if JR Ventilation 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 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
- 13818855
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 December 2021 (4 years ago)
- Registered office
- 73 Greenfield Road, London, E1 1EJ
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 27 December 2025
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- JSZ Ventures Limited2026
- JT Mobile Group Ltd2023
- Juhw Railmaintenance Ltd2025
- Jupita & Ro Ltd2024
- Just Gorgeous Aesthetic Ltd2014
- Just Repairs Limited2025
- Justwithin30Minutes Ltd2026
- JZ Autos Limited2015
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are JR Ventilation Ltd's accounts due?
JR Ventilation Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is JR Ventilation 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 31 December 2025, due by 31 December 2026, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JR Ventilation Ltd still trading?
JR Ventilation 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 JR Ventilation Ltd do?
JR Ventilation Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JR Ventilation Ltd?
JR Ventilation Ltd was incorporated on 28 December 2021, 4 years ago.
What is the penalty if JR Ventilation 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 JR Ventilation 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.