- Company number
- 13392733
- Incorporated
- 13 May 20215 years trading
- Registered office
- Suite 11, First Floor Mountview House, 202 212 High Road, Ilford, IG1 1QB
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Electrical installation; Wholesale of wood, construction materials and sanitary equipment
Smart Green Construction Ltd is a 5-year-old private limited company registered in Ilford, company number 13392733, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 up £124K (+87.9%) on the year before, to £265K.
- Net assets rose in 4 of 4 year-on-year comparisons on record.
- Current assets of £315K against £78K owed within a year: 4.0 times cover.
- 7 employees on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £265K | £12K | £315K | £78K | 7 |
| 31 May 2025 | £141K | £10K | £162K | £55K | 7 |
| 31 May 2024 | £87K | £2,116 | £107K | £40K | 2 |
| 31 May 2023 | £36K | £11K | £52K | £30K | 2 |
| 31 May 2022 | £20K | £2,551 | £42K | £31K | 2 |
Where Smart Green Construction Ltd is registered
The registered office is in Ilford (IG1), in the Redbridge local authority area, London. Show IG1 1QB on a map.
Other trade companies in IG1
- Build Eye Secure LtdBuilders
- Zarielle LtdProperty developers
- Mandair Construction LtdBuilders
- Chowdhary Renovation LtdBuilders
- Zedk Motors LtdMotor traders
- Venga LtdMotor traders
- BZ Property Solutions LtdElectricians
- Xee Next Step LimitedMotor traders
What happens if Smart Green 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 13392733
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 May 2021 (5 years ago)
- Registered office
- Suite 11, First Floor Mountview House, 202 212 High Road, Ilford, IG1 1QB
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Electrical installation (SIC 43210)
Wholesale of wood, construction materials and sanitary equipment (SIC 46730) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 2 September 2025
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 Ilford
Other active building contractors registered in Ilford.
- Smart Homes Construction & Buliders Ltd2026
- Smart Plus Ltd2024
- Smarter Build Ltd2017
- SMML Ltd2025
- Snap-Fit Limited2018
- Softov the Builder Ltd2020
- Solarex Construction Ltd2022
- Solid Structures & Maintenance Ltd2025
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are Smart Green Construction Ltd's accounts due?
Smart Green Construction Ltd's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Smart Green Construction Ltd's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Smart Green Construction Ltd still trading?
Smart Green Construction 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 Smart Green Construction Ltd do?
Smart Green Construction Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Electrical installation (SIC 43210); Wholesale of wood, construction materials and sanitary equipment (SIC 46730).
How old is Smart Green Construction Ltd?
Smart Green Construction Ltd was incorporated on 13 May 2021, 5 years ago.
What is the penalty if Smart Green 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 Smart Green Construction 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.