- Companies
- Specialist contractors
- Daventry
- JJ Plant Training & Testing Ltd
JJ Plant Training & Testing Ltd
- Company number
- 17274698
- Incorporated
- 17 Jun 2026
- Registered office
- Stirch Farm, Byfield, Daventry, NN11 6YL
- Nature of business
- Other specialised construction activities n.e.c.
JJ Plant Training & Testing Ltd is a newly incorporated private limited company registered in Daventry, company number 17274698, one of 32 specialist construction companies in Daventry. Its next accounts are due at Companies House on 17 March 2028, and its first CT600 is due at HMRC on 16 June 2028.
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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Who runs and owns JJ Plant Training & Testing Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** E*** | Director | Jun 2026 |
Person with significant control
Where JJ Plant Training & Testing Ltd is registered
The registered office is in Daventry (NN11), in the West Northamptonshire local authority area, East Midlands. Show NN11 6YL on a map.
Other trade companies in NN11
- Propertyk Consulting LtdBuilders
- Atmyd LtdBuilders
- DBL Gas & Oil LtdPlumbers and heating engineers
- Instant Fix Plumbing LtdPlumbers and heating engineers
- Myzlyf Group of Companies LtdBuilders
- Ljt's Cleaning & Companionship LtdCleaning companies
- Roadside Autocare Solutions LtdMechanics and garages
- Drivefix Mobile Mechanics LtdMechanics and garages
What happens if JJ Plant Training & Testing 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 17 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 18 Mar 2028 to 17 Apr 2028 | £150 |
| 1 to 3 months late | 18 Apr 2028 to 17 Jun 2028 | £375 |
| 3 to 6 months late | 18 Jun 2028 to 17 Sep 2028 | £750 |
| More than 6 months late | From 18 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2029 | 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
- 17274698
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 June 2026
- Registered office
- Stirch Farm, Byfield, Daventry, NN11 6YL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
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 Daventry
Other active specialist construction companies registered in Daventry.
- Marvel Maintenance Ltd2025
- Michael Christie Paving Services Ltd2012
- Needed Services Ltd2020
- Nigel McKie Ltd2007
- Point Zero Surveys Ltd2014
- Renovation Trade Ltd2025
- Sam Parker Paving Ltd2017
- Solid Base Construction Materials Training & Consultancy Ltd2025
All specialist construction companies in Daventry · All trades in Daventry · Specialist contractors across the UK
Frequently asked questions
When are JJ Plant Training & Testing Ltd's accounts due?
JJ Plant Training & Testing Ltd's next accounts are due at Companies House by 17 March 2028 (in 521 days), covering the period to 30 June 2027.
When is JJ Plant Training & Testing 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 16 June 2027, due by 16 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is JJ Plant Training & Testing Ltd still trading?
JJ Plant Training & Testing 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 JJ Plant Training & Testing Ltd do?
JJ Plant Training & Testing Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is JJ Plant Training & Testing Ltd?
JJ Plant Training & Testing Ltd was incorporated on 17 June 2026, less than a year ago.
Who runs JJ Plant Training & Testing Ltd?
JJ Plant Training & Testing Ltd has 1 active director, the longest-serving appointed in Jun 2026. Their names and service addresses are on the Companies House register.
Who owns JJ Plant Training & Testing Ltd?
One person or company has significant control of JJ Plant Training & Testing Ltd: an individual (owns 75% or more of the shares).
What is the penalty if JJ Plant Training & Testing 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 JJ Plant Training & Testing 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.