- Company number
- 07666626
- Incorporated
- 13 Jun 201115 years trading
- Registered office
- 400A Finchley Road, Cricklewood, London, NW2 2HR
- Nature of business
- Construction of domestic buildings; Plumbing, heat and air-conditioning installation
JG Construction London Ltd is a 15-year-old private limited company registered in London, company number 07666626, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £12K (-6.9%) on the year before, to £155K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £312K against £185K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £155K | £312K | £185K | 2 | |
| 30 Jun 2024 | £167K | £545K | £379K | 2 | |
| 30 Jun 2023 | £120K | £337K | £218K | 2 | |
| 30 Jun 2022 | £199K | £390K | £522K | £326K | 3 |
| 30 Jun 2021 | £192K | £398K | £406K | £218K | 7 |
| 30 Jun 2020 | £141K | £274K | £378K | £193K | 0 |
| 30 Jun 2019 | -£29 | £94K | £99K | ||
| 30 Jun 2018 | £96K | £220K | £213K | £127K | 5 |
| 30 Jun 2017 | £82K | £103K | £148K | £78K | |
| 30 Jun 2016 | £53K | £284K | £153K | £119K |
Where JG Construction London Ltd is registered
The registered office is in London (NW2), in the Barnet local authority area, London. Show NW2 2HR on a map.
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Also registered at this address
2 other companies use the same registered office as JG Construction London Ltd.
- Q Xepak LimitedSpecialist contractors
- S3 Maintenance Services LimitedInstallers
What happens if JG Construction London 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 07666626
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 June 2011 (15 years ago)
- Registered office
- 400A Finchley Road, Cricklewood, London, NW2 2HR
- Nature of business
- Construction of domestic buildings (SIC 41202)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 14 June 2026
- Previous names
- J.G. Plumbing and Gas Solution Limited (until 15 Apr 2015)
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in London
Other active building contractors registered in London.
- JG Contracting Ltd2026
- JG Properties Solutions Ltd2025
- JGL Projects Ltd2015
- JGW Building Ltd2025
- JH Services Ltd Ltd2026
- Jha Developments Ltd2020
- JHB Projects Ltd2025
- Jheem Ventures Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are JG Construction London Ltd's accounts due?
JG Construction London Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is JG Construction London Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is JG Construction London Ltd still trading?
JG Construction London 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 JG Construction London Ltd do?
JG Construction London Ltd is registered under Construction of domestic buildings (SIC 41202); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JG Construction London Ltd?
JG Construction London Ltd was incorporated on 13 June 2011, 15 years ago.
What is the penalty if JG Construction London 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 JG Construction London 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.