- Companies
- Electricians
- Cardiff
- Smarter Greener Limited
Smarter Greener Limited
- Company number
- 15706120
- Incorporated
- 7 May 20242 years trading
- Registered office
- Forgeside House Cardiff Bay Business Centre, Forgeside Close, Cardiff, CF24 5FA
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation; Other professional, scientific and technical activities n.e.c.
Smarter Greener Limited is a 2-year-old private limited company registered in Cardiff, company number 15706120, one of 223 electrical contractors in Cardiff. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Smarter Greener Limited is registered
The registered office is in Cardiff (CF24), in the Cardiff local authority area, Wales. Show CF24 5FA on a map.
Other trade companies in CF24
- New Capital Tyres LtdMotor traders
- Beza Home Climate LtdPlumbers and heating engineers
- Jafa Construction LtdBuilders
- A R Lawn Care & Garden Services LtdLandscapers and gardeners
- RK Asset & Trading Co LtdMotor traders
- ZCC Garage LtdMechanics and garages
- Szot LtdPlasterers
- Oceanway Tyres LtdMechanics and garages
Also registered at this address
2 other companies use the same registered office as Smarter Greener Limited.
- 24/7 Plumbing Heating Electrical LimitedElectricians
- Camilleri Construction LimitedProperty developers
What happens if Smarter Greener 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 15706120
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2024 (2 years ago)
- Registered office
- Forgeside House Cardiff Bay Business Centre, Forgeside Close, Cardiff, CF24 5FA
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other professional, scientific and technical activities n.e.c. (SIC 74909) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 6 May 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Cardiff
Other active electrical contractors registered in Cardiff.
- Solarsurv Limited2026
- Sonik Electrical Ltd2012
- South Wales Fire Sprinklers Limited2016
- SP Electrical (South Wales) Ltd2022
- Sparks & Co (Solar Force) Ltd2018
- Summit Electrical Group Ltd2026
- Switch Start Electrical Ltd2017
- T&B Electrical Solutions Limited2005
All electrical contractors in Cardiff · All trades in Cardiff · Electricians across the UK
Frequently asked questions
When are Smarter Greener Limited's accounts due?
Smarter Greener Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Smarter Greener Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Smarter Greener Limited still trading?
Smarter Greener 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 Smarter Greener Limited do?
Smarter Greener Limited is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other professional, scientific and technical activities n.e.c. (SIC 74909).
How old is Smarter Greener Limited?
Smarter Greener Limited was incorporated on 7 May 2024, 2 years ago.
What is the penalty if Smarter Greener 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 Smarter Greener 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.