- Companies
- Plumbers and heating engineers
- Harpenden
- SGM Renewables Ltd
SGM Renewables Ltd
- Company number
- 14535094
- Incorporated
- 12 Dec 20223 years trading
- Registered office
- 1 Allied Business Centre, Coldharbour Lane, Harpenden, AL5 4UT
- Nature of business
- Plumbing, heat and air-conditioning installation
SGM Renewables Ltd is a 3-year-old private limited company registered in Harpenden, company number 14535094, one of 22 plumbing and heating companies in Harpenden. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £8,890 (-176.4%) on the year before, to -£3,849.
- Current assets of £33K against £37K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£3,849 | £33K | £37K | 0 | |
| 31 Dec 2023 | £5,041 | £19K | £19K | 2 |
Where SGM Renewables Ltd is registered
The registered office is in Harpenden (AL5), in the St Albans local authority area, East of England. Show AL5 4UT on a map.
Other trade companies in AL5
- M&T Building Services LimitedBuilders
- Rolfe Groundworks LtdGroundworks and demolition
- Rolls and Sons LtdProperty developers
- WM Holdings Group LtdProperty developers
- A Hussain Motor Group LtdMotor traders
- Harpenden Window Cleaning LtdCleaning companies
- Honey Bear Energy LimitedPlumbers and heating engineers
- M&D Paving LtdCivil engineering
Shared registered office
53 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if SGM Renewables 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 31 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 14535094
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 December 2022 (3 years ago)
- Registered office
- 1 Allied Business Centre, Coldharbour Lane, Harpenden, AL5 4UT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 11 December 2025
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Harpenden
Other active plumbing and heating companies registered in Harpenden.
- Shire Electrical Services Limited2015
- Top Bathrooms (Flitwick) Ltd2010
- Walker Mechanical Services Ltd2024
- Active 24/7 Plumbing Ltd2026
- CK Plumbers Ltd2022
- East & Gray Ltd2015
- Engenera Project 1 Limited2019
- First Plumbing Ltd2023
All plumbing and heating companies in Harpenden · All trades in Harpenden · Plumbers and heating engineers across the UK
Frequently asked questions
When are SGM Renewables Ltd's accounts due?
SGM Renewables Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is SGM Renewables Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is SGM Renewables Ltd still trading?
SGM Renewables 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 SGM Renewables Ltd do?
SGM Renewables Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is SGM Renewables Ltd?
SGM Renewables Ltd was incorporated on 12 December 2022, 3 years ago.
What is the penalty if SGM Renewables 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 SGM Renewables 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.