- Company number
- 13105350
- Incorporated
- 30 Dec 20205 years trading
- Registered office
- 56 Fulham High Street, London, SW6 3LQ
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Architectural activities; Engineering design activities for industrial process and production
Green Cube Design & Build Ltd is a 5-year-old private limited company registered in London, company number 13105350, one of 12,075 building contractors in London. 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 down £59K (-70.3%) on the year before, to £25K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £5,828 against £42K owed within a year: 0.1 times cover.
- 4 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £25K | £5,828 | £42K | 4 | |
| 31 Dec 2024 | £84K | £3,426 | £99K | 4 | |
| 31 Dec 2023 | £65K | £3,017 | £81K | 3 | |
| 31 Dec 2022 | £52K | £0 | £67K | 2 | |
| 31 Dec 2021 | £1 | £1 | 0 |
Where Green Cube Design & Build Ltd is registered
The registered office is in London (SW6), in the Hammersmith and Fulham local authority area, London. Show SW6 3LQ on a map.
Other trade companies in SW6
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- Euroconsturction LimitedBuilders
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- Earthcom LtdBuilders
- Siren Plates LimitedMotor traders
- Catteau Cosntruction LtdInstallers
- R&L Building Projects LtdBuilders
- Fulham Palace Properties LimitedProperty developers
Also registered at this address
11 other companies use the same registered office as Green Cube Design & Build Ltd.
- Any Windows LtdGlaziers
- Elest Group LtdSpecialist contractors
- GB Plumbing Experts LtdPlumbers and heating engineers
- Iker LtdBuilders
- J&H Contractor LtdBuilders
- Jobs Link Group LtdBuilders
- M & A Decoration Services LtdBuilders
- Nanasi Plumbing & Heating LtdPlumbers and heating engineers
- RCD Electrical LtdElectricians
- Rpae1 LtdSpecialist contractors
- UK RCD Maintenance LtdBuilders
What happens if Green Cube Design & Build 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 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
- 13105350
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 December 2020 (5 years ago)
- Registered office
- 56 Fulham High Street, London, SW6 3LQ
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Architectural activities (SIC 71111)
Engineering design activities for industrial process and production (SIC 71121) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 16 January 2026
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 Days Construction Ltd2024
- Green Door Construction Ltd2012
- Green Energy Homes Ltd2020
- Green Environ Resource Management Ltd2026
- Green Frame Building Ltd2026
- Green Group Installs Ltd2026
- Green Interiors London Limited2022
- Green Lanes Build Ltd2024
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Frequently asked questions
When are Green Cube Design & Build Ltd's accounts due?
Green Cube Design & Build Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Green Cube Design & Build Ltd'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 Green Cube Design & Build Ltd still trading?
Green Cube Design & Build 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 Cube Design & Build Ltd do?
Green Cube Design & Build Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Architectural activities (SIC 71111); Engineering design activities for industrial process and production (SIC 71121).
How old is Green Cube Design & Build Ltd?
Green Cube Design & Build Ltd was incorporated on 30 December 2020, 5 years ago.
What is the penalty if Green Cube Design & Build 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 Cube Design & Build 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.