- Company number
- 17483319
- Incorporated
- 26 Sep 2026
- Registered office
- 18 Beamish Road, London, N9 7JA
- Nature of business
- Construction of domestic buildings
Green X Construction Ltd is a newly incorporated private limited company registered in London, company number 17483319, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 26 June 2028, and its first CT600 is due at HMRC on 25 September 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 Green X Construction Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** X*** | Director | Sep 2026 |
Person with significant control
Where Green X Construction Ltd is registered
The registered office is in London (N9), in the Enfield local authority area, London. Show N9 7JA on a map.
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What happens if Green X 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 26 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Jun 2028 to 26 Jul 2028 | £150 |
| 1 to 3 months late | 27 Jul 2028 to 26 Sep 2028 | £375 |
| 3 to 6 months late | 27 Sep 2028 to 26 Dec 2028 | £750 |
| More than 6 months late | From 27 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17483319
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2026
- Registered office
- 18 Beamish Road, London, N9 7JA
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Green-Sinfield Limited1966
- Greenaffair Limited2012
- Greenbelt Construction Ltd2024
- Greenbirds Electrical & Maintenance Ltd2021
- Greenbuild Maintenance Sevices Ltd2022
- Greene Projects Limited2009
- Greener Energy Northwest Ltd2020
- Greensightgardens Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Green X Construction Ltd's accounts due?
Green X Construction Ltd's next accounts are due at Companies House by 26 June 2028 (in 622 days), covering the period to 30 September 2027.
When is Green X Construction 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 25 September 2027, due by 25 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Green X Construction Ltd still trading?
Green X 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 Green X Construction Ltd do?
Green X Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Green X Construction Ltd?
Green X Construction Ltd was incorporated on 26 September 2026, less than a year ago.
Who runs Green X Construction Ltd?
Green X Construction Ltd has 1 active director, the longest-serving appointed in Sep 2026. Their names and service addresses are on the Companies House register.
Who owns Green X Construction Ltd?
One person or company has significant control of Green X Construction Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Green X 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 Green X 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.