- Companies
- Specialist contractors
- Southampton
- Green Street Energy Ltd
Green Street Energy Ltd
- Company number
- 16151855
- Incorporated
- 25 Dec 20241 year trading
- Registered office
- 80 Tennyson Road, Southampton, SO17 2GW
- Nature of business
- Other specialised construction activities n.e.c.
Green Street Energy Ltd is a 1-year-old private limited company registered in Southampton, company number 16151855, one of 202 specialist construction companies in Southampton. Companies House shows its accounts as overdue: they were due on 25 September 2026.
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.
Is this your company?
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Where Green Street Energy Ltd is registered
The registered office is in Southampton (SO17), in the Southampton local authority area, South East. Show SO17 2GW on a map.
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What happens if Green Street Energy Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 26 Sep 2026 to 25 Oct 2026 | £150 |
| 1 to 3 months late | 26 Oct 2026 to 25 Dec 2026 | £375 |
| 3 to 6 months late | 26 Dec 2026 to 25 Mar 2027 | £750 |
| More than 6 months late | From 26 Mar 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 16151855
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 December 2024 (1 year ago)
- Registered office
- 80 Tennyson Road, Southampton, SO17 2GW
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 24 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Southampton
Other active specialist construction companies registered in Southampton.
- Ha Management (North) Limited2026
- Hampshire Driveways and Patios Ltd2025
- Hampshire Property Southern Ltd2024
- Hart Bathrooms & Kitchens Ltd2025
- HD Design and Project Management Limited2021
- High Wire Rope Access Electrical Ltd2011
- Home and Garden Services (Southern) Ltd2012
- HP Pump Services Ltd2009
All specialist construction companies in Southampton · All trades in Southampton · Specialist contractors across the UK
Frequently asked questions
When are Green Street Energy Ltd's accounts due?
Green Street Energy Ltd's accounts were due at Companies House on 25 September 2026 and the register shows them as overdue.
When is Green Street Energy 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 24 December 2025, due by 24 December 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Green Street Energy Ltd still trading?
Green Street Energy Ltd is listed as active on the Companies House register (checked 13 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 Street Energy Ltd do?
Green Street Energy Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Green Street Energy Ltd?
Green Street Energy Ltd was incorporated on 25 December 2024, 1 year ago.
What is the penalty if Green Street Energy 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 Street Energy Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.