- Companies
- Specialist contractors
- Basingstoke
- Jko Building Company Ltd
Jko Building Company Ltd
- Company number
- 15821161
- Incorporated
- 5 Jul 20242 years trading
- Registered office
- 83 Cambrian Way, Basingstoke, RG22 5AL
- Nature of business
- Other specialised construction activities n.e.c.
Jko Building Company Ltd is a 2-year-old private limited company registered in Basingstoke, company number 15821161, one of 47 specialist construction companies in Basingstoke. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 unchanged on the year before, at £10.
- Current assets of £12K against £18K owed within a year: 0.7 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £10 | £12K | £18K | 2 | |
| 31 Mar 2025 | £10 | £8,896 | £17K | 1 |
Who runs and owns Jko Building Company Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| K*** O*** | Director | Jul 2024 |
Person with significant control
Where Jko Building Company Ltd is registered
The registered office is in Basingstoke (RG22), in the Basingstoke and Deane local authority area, South East. Show RG22 5AL on a map.
Other trade companies in RG22
- NSD Lupu LimitedCivil engineering
- Joyhouse Works LtdBuilders
- JDR Cooling and Heating Solutions LtdPlumbers and heating engineers
- Henkirst Climate Control LimitedPlumbers and heating engineers
- Farmer and Co Construction LtdBuilders
- Cherry Conversions LtdBuilders
- Maylin Home Renovations LtdFinishing trades
- Lyons and Sons Enterprises LtdMotor traders
What happens if Jko Building Company 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15821161
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 July 2024 (2 years ago)
- Registered office
- 83 Cambrian Way, Basingstoke, RG22 5AL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 4 July 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 Basingstoke
Other active specialist construction companies registered in Basingstoke.
- Keane's Keys Locksmiths of Basingstoke Limited2020
- L&A Carpentry Ltd2019
- M3 Automation Limited2021
- Norse Process Engineering Ltd2026
- Paragon Landscapes Ltd2017
- Parkside Paving Limited2012
- R J Hanks Carpentry Ltd2003
- Rab's Welding & Gas Services Limited2014
All specialist construction companies in Basingstoke · All trades in Basingstoke · Specialist contractors across the UK
Frequently asked questions
When are Jko Building Company Ltd's accounts due?
Jko Building Company Ltd's next accounts are due at Companies House by 31 December 2027 (in 443 days), covering the period to 31 March 2027.
When is Jko Building Company Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Jko Building Company Ltd still trading?
Jko Building Company 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 Jko Building Company Ltd do?
Jko Building Company Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Jko Building Company Ltd?
Jko Building Company Ltd was incorporated on 5 July 2024, 2 years ago.
Who runs Jko Building Company Ltd?
Jko Building Company Ltd has 1 active director, the longest-serving appointed in Jul 2024. Their names and service addresses are on the Companies House register.
Who owns Jko Building Company Ltd?
One person or company has significant control of Jko Building Company Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Jko Building Company 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 Jko Building Company 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.