- Companies
- Finishing trades
- Potters Bar
- JHJ Construction Ltd
JHJ Construction Ltd
- Company number
- 12037247
- Incorporated
- 6 Jun 20197 years trading
- Registered office
- 36 Hatherleigh Gardens, Potters Bar, EN6 5HZ
- Nature of business
- Other building completion and finishing
JHJ Construction Ltd is a 7-year-old private limited company registered in Potters Bar, company number 12037247, one of 34 building finishing companies in Potters Bar. Its next accounts are due at Companies House on 29 January 2027, and the CT600 for the period to 29 April 2026 is due at HMRC on 29 April 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 up £3,929 (+23.8%) on the year before, to £20K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £30K against £20K owed within a year: 1.5 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £20K | £348 | £30K | £20K | 0 |
| 30 Apr 2024 | £17K | £6,143 | £19K | £12K | 0 |
| 30 Apr 2023 | £14K | £3,075 | £20K | £13K | 0 |
| 30 Apr 2022 | £2,135 | £1,193 | £17K | £5,519 | 0 |
| 30 Apr 2021 | -£8,047 | £2,954 | £9,194 | £2,796 | 0 |
| 30 Apr 2020 | £1 |
Where JHJ Construction Ltd is registered
The registered office is in Potters Bar (EN6), in the Hertsmere local authority area, East of England. Show EN6 5HZ on a map.
Other trade companies in EN6
- Hertfordshire Roofing and Guttering Repairs LtdRoofers
- Vata RC Frames LtdSpecialist contractors
- Avanti Airtech LimitedPlumbers and heating engineers
- Azmaj Group LtdFinishing trades
- Burbridge Roofing and Build LtdBuilders
- Roman Way Holdings LtdProperty developers
- Westshire Property Services LimitedFinishing trades
- Oska Auto LtdMechanics and garages
What happens if JHJ 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 29 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jan 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 29 Apr 2027 | £375 |
| 3 to 6 months late | 30 Apr 2027 to 29 Jul 2027 | £750 |
| More than 6 months late | From 30 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Apr 2027 | £200 |
| 3 months late | 29 Jul 2027 | another £200 |
| 6 months late | 29 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Apr 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
- 12037247
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 June 2019 (7 years ago)
- Registered office
- 36 Hatherleigh Gardens, Potters Bar, EN6 5HZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 29 April (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 5 June 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Potters Bar
Other active building finishing companies registered in Potters Bar.
- John Ruben Ltd2015
- KL Maintenance Ltd2022
- Lenci Ltd2023
- Mivita Limited2017
- P&L Gevelmontage Limited2011
- PMJ Cleaning Ltd2008
- Potters Bar Lofts & Extensions Ltd2017
- Property and Building Repairs Limited2024
All building finishing companies in Potters Bar · All trades in Potters Bar · Finishing trades across the UK
Frequently asked questions
When are JHJ Construction Ltd's accounts due?
JHJ Construction Ltd's next accounts are due at Companies House by 29 January 2027 (in 108 days), covering the period to 29 April 2026.
When is JHJ Construction Ltd's CT600 due?
The CT600 for the period to 29 April 2026 is due at HMRC by 29 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 January 2027.
Is JHJ Construction Ltd still trading?
JHJ 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 JHJ Construction Ltd do?
JHJ Construction Ltd is registered under Other building completion and finishing (SIC 43390).
How old is JHJ Construction Ltd?
JHJ Construction Ltd was incorporated on 6 June 2019, 7 years ago.
What is the penalty if JHJ 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 JHJ 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.