- Companies
- Installers
- Conwy
- STC Renewables Limited
STC Renewables Limited
- Company number
- 15718497
- Incorporated
- 14 May 20242 years trading
- Registered office
- 20 Parc Pentywyn, Deganwy, Conwy, LL31 9FP
- Nature of business
- Other construction installation
STC Renewables Limited is a 2-year-old private limited company registered in Conwy, company number 15718497, one of 7 installation companies (insulation, lifts, shutters and similar) in Conwy. 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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Who runs and owns STC Renewables Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| S*** C*** | Director | May 2024 |
People with significant control (2)
Where STC Renewables Limited is registered
The registered office is in Conwy (LL31), in the Conwy local authority area, Wales. Show LL31 9FP on a map.
Other trade companies in LL31
- CCM Paving LtdSpecialist contractors
- Itech LtdElectricians
- K O Wind LtdElectricians
- R.Jones Roofing LtdRoofers
- Paragon Consult LtdSpecialist contractors
- Colwyn Construction LtdBuilders
- Evansrenewables LtdProperty developers
- Northwest Solar and Roofing LtdRoofers
What happens if STC Renewables 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
- 15718497
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 May 2024 (2 years ago)
- Registered office
- 20 Parc Pentywyn, Deganwy, Conwy, LL31 9FP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 30 December 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Conwy
Other active installation companies (insulation, lifts, shutters and similar) registered in Conwy.
- Wynex Repair Ltd2018
- Alexander Grace Bathroom Designs Ltd2021
- Leighs Property Services (North West) Ltd2019
- LJ Installs Limited2022
- North Wales Fire Suppression Systems Ltd2025
- Precision Pipefitting Limited2026
All installation companies (insulation, lifts, shutters and similar) in Conwy · All trades in Conwy · Installers across the UK
Frequently asked questions
When are STC Renewables Limited's accounts due?
STC Renewables 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 STC Renewables 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 STC Renewables Limited still trading?
STC Renewables 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 STC Renewables Limited do?
STC Renewables Limited is registered under Other construction installation (SIC 43290).
How old is STC Renewables Limited?
STC Renewables Limited was incorporated on 14 May 2024, 2 years ago.
Who runs STC Renewables Limited?
STC Renewables Limited has 1 active director, the longest-serving appointed in May 2024. Their names and service addresses are on the Companies House register.
Who owns STC Renewables Limited?
2 people or companies have significant control of STC Renewables Limited: an individual (owns 75% or more of the shares); an individual (owns 75% or more of the shares).
What is the penalty if STC Renewables 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 STC Renewables 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.