- Companies
- Civil engineering
- Harrow
- J O S Construction Ltd
J O S Construction Ltd
- Company number
- 06704277
- Incorporated
- 22 Sep 200818 years trading
- Registered office
- 101 Kenmore Road, Kenton, Harrow, Middlesex, HA3 9EY
- Nature of business
- Construction of utility projects for fluids
J O S Construction Ltd is a 18-year-old private limited company registered in Harrow, company number 06704277, one of 121 civil engineering contractors in Harrow. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
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 down £1,883 (-23.9%) on the year before, to £6,009.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- Current assets of £172K against £166K owed within a year: 1.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £6,009 | £172K | £166K | 0 | |
| 31 May 2024 | £7,892 | £179K | £171K | 2 | |
| 31 May 2023 | £32K | £188K | £157K | 2 | |
| 31 May 2022 | £67K | £191K | £124K | 2 | |
| 31 May 2021 | £96K | £208K | £113K | 2 | |
| 31 May 2020 | £122K | £201K | £79K | 2 | |
| 31 May 2019 | £164K | £185K | £22K | 2 | |
| 31 May 2018 | £165K | ||||
| 31 May 2017 | £222K | ||||
| 31 May 2016 | £270K | £72K | £313K | £44K |
Who runs and owns J O S Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** O*** | Director | Sep 2008 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| Y*** J*** | Director | Sep 2008 | Sep 2008 |
People with significant control (2)
Where J O S Construction Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 9EY on a map.
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What happens if J O S Construction 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 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
- 06704277
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 2008 (18 years ago)
- Registered office
- 101 Kenmore Road, Kenton, Harrow, Middlesex, HA3 9EY
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 22 September 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Harrow
Other active civil engineering contractors registered in Harrow.
- Jamie Rail Ltd2024
- Jana Engineering Ltd2023
- JB Ultrasonics Limited2014
- JNJ Engineering Limited2026
- John Duffy Ltd2023
- K Engineering Ltd2023
- K. R. Interiors Limited2003
- Kirti Construction Limited2014
All civil engineering contractors in Harrow · All trades in Harrow · Civil engineering across the UK
Frequently asked questions
When are J O S Construction Ltd's accounts due?
J O S Construction Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is J O S Construction Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is J O S Construction Ltd still trading?
J O S Construction 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 J O S Construction Ltd do?
J O S Construction Ltd is registered under Construction of utility projects for fluids (SIC 42210).
How old is J O S Construction Ltd?
J O S Construction Ltd was incorporated on 22 September 2008, 18 years ago.
Who runs J O S Construction Ltd?
J O S Construction Ltd has 1 active director, the longest-serving appointed in Sep 2008. Their names and service addresses are on the Companies House register.
Who owns J O S Construction Ltd?
2 people or companies have significant control of J O S Construction Ltd: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
What is the penalty if J O S Construction 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 J O S Construction 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.