- Companies
- Civil engineering
- Buckley
- Spon Green Infrastructure Ltd
Spon Green Infrastructure Ltd
- Company number
- 17492593
- Incorporated
- 30 Sep 2026
- Registered office
- Greenbank, Spon Green, Buckley, CH7 3BN
- Nature of business
- Construction of other civil engineering projects n.e.c.
Spon Green Infrastructure Ltd is a newly incorporated private limited company registered in Buckley, company number 17492593, one of the UK's civil engineering contractors. Its next accounts are due at Companies House on 30 June 2028, and its first CT600 is due at HMRC on 29 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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Where Spon Green Infrastructure Ltd is registered
The registered office is in Buckley (CH7), in the Flintshire local authority area, Wales. Show CH7 3BN on a map.
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What happens if Spon Green Infrastructure 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 30 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2028 to 31 Jul 2028 | £150 |
| 1 to 3 months late | 1 Aug 2028 to 30 Sep 2028 | £375 |
| 3 to 6 months late | 1 Oct 2028 to 31 Dec 2028 | £750 |
| More than 6 months late | From 1 Jan 2029 | £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
- 17492593
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2026
- Registered office
- Greenbank, Spon Green, Buckley, CH7 3BN
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Buckley
Other active civil engineering contractors registered in Buckley.
All civil engineering contractors in Buckley · All trades in Buckley · Civil engineering across the UK
Frequently asked questions
When are Spon Green Infrastructure Ltd's accounts due?
Spon Green Infrastructure Ltd's next accounts are due at Companies House by 30 June 2028 (in 626 days), covering the period to 30 September 2027.
When is Spon Green Infrastructure 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 29 September 2027, due by 29 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 Spon Green Infrastructure Ltd still trading?
Spon Green Infrastructure 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 Spon Green Infrastructure Ltd do?
Spon Green Infrastructure Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Spon Green Infrastructure Ltd?
Spon Green Infrastructure Ltd was incorporated on 30 September 2026, less than a year ago.
What is the penalty if Spon Green Infrastructure 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 Spon Green Infrastructure 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.