- Companies
- Specialist contractors
- Durham
- Sirius Ecodev (Lambeeth Ii) Limited
Sirius Ecodev (Lambeeth Ii) Limited
- Company number
- 15714584
- Incorporated
- 11 May 20242 years trading
- Registered office
- Russel House Mill Road, Langley Moor, Durham, DH7 8HJ
- Nature of business
- Other specialised construction activities n.e.c.
Sirius Ecodev (Lambeeth Ii) Limited is a 2-year-old private limited company registered in Durham, company number 15714584, one of 67 specialist construction companies in Durham. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 unchanged on the year before, at £100.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £100 | 0 | |||
| 31 Dec 2024 | £100 | 0 |
Where Sirius Ecodev (Lambeeth Ii) Limited is registered
The registered office is in Durham (DH7), in the County Durham local authority area, North East. Show DH7 8HJ on a map.
Other trade companies in DH7
- Kenny's Groundworks LimitedCivil engineering
- Fastfit Automotive LimitedMechanics and garages
- Adobe Builders LtdFinishing trades
- Unlimited Labs LtdCivil engineering
- HLS Domestic Installations LtdInstallers
- J Moore Brickwork LtdBuilders
- Signature Developments (Ne) LtdBuilders
- D.R Groundworks & Landscaping Services LtdBuilders
Also registered at this address
8 other companies use the same registered office as Sirius Ecodev (Lambeeth Ii) Limited.
- Sedg (Caergeiliog) LimitedCivil engineering
- Sirius Ecodev (Arbury) LimitedSpecialist contractors
- Sirius Ecodev (Clapham) LimitedSpecialist contractors
- Sirius Ecodev (Lambeeth) LimitedSpecialist contractors
- Sirius Ecodev (Meyrick) LimitedSpecialist contractors
- Sirius Ecodev (Pen Yr Heol) LtdSpecialist contractors
- Sirius Ecodev (Toronto) LimitedSpecialist contractors
- Siriusdev (Miners) LtdSpecialist contractors
What happens if Sirius Ecodev (Lambeeth Ii) Limited 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 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 15714584
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 May 2024 (2 years ago)
- Registered office
- Russel House Mill Road, Langley Moor, Durham, DH7 8HJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 5 March 2026
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 Durham
Other active specialist construction companies registered in Durham.
- Sirius Ecodev (Meyrick) Limited2024
- Stuart Marley Limited2018
- The Great British Ground Screw Company Limited2013
- Towers Engineering Design Services Limited1988
- Uktm Limited2020
- Urban Access Ltd2024
- Vale Construction (Ne) Ltd2025
- Xltss Ltd2024
All specialist construction companies in Durham · All trades in Durham · Specialist contractors across the UK
Frequently asked questions
When are Sirius Ecodev (Lambeeth Ii) Limited's accounts due?
Sirius Ecodev (Lambeeth Ii) Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Sirius Ecodev (Lambeeth Ii) Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Sirius Ecodev (Lambeeth Ii) Limited still trading?
Sirius Ecodev (Lambeeth Ii) Limited 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 Sirius Ecodev (Lambeeth Ii) Limited do?
Sirius Ecodev (Lambeeth Ii) Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Sirius Ecodev (Lambeeth Ii) Limited?
Sirius Ecodev (Lambeeth Ii) Limited was incorporated on 11 May 2024, 2 years ago.
What is the penalty if Sirius Ecodev (Lambeeth Ii) Limited 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 Sirius Ecodev (Lambeeth Ii) Limited 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.