- Companies
- Plumbers and heating engineers
- Oldham
- Si Gas Heating Ltd
Si Gas Heating Ltd
- Company number
- 15673625
- Incorporated
- 23 Apr 20242 years trading
- Registered office
- Earl Business Centre, Suite 103A Dowry Street, Oldham, OL8 2PF
- Nature of business
- Plumbing, heat and air-conditioning installation
Si Gas Heating Ltd is a 2-year-old private limited company registered in Oldham, company number 15673625, one of 106 plumbing and heating companies in Oldham. 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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Financial snapshot, 2025
From the balance sheet at 30 April 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Si Gas Heating Ltd is registered
The registered office is in Oldham (OL8), in the Oldham local authority area, North West. Show OL8 2PF on a map.
Other trade companies in OL8
- Aq Gas Services LtdPlumbers and heating engineers
- Dry Touch Pro LtdCleaning companies
- Arscarparts LtdMotor traders
- Alden Vale LimitedFloor and wall tilers
- Luxe Auto Manchester LtdMotor traders
- Switchlive Electrical (NW) LtdElectricians
- Motors for Less MCR LtdMotor traders
- Pxrity LtdMechanics and garages
What happens if Si Gas Heating 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
- 15673625
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 April 2024 (2 years ago)
- Registered office
- Earl Business Centre, Suite 103A Dowry Street, Oldham, OL8 2PF
- 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
- 22 April 2026
- Previous names
- S.I Gas Heating Ltd (until 15 Jun 2024)
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 Oldham
Other active plumbing and heating companies registered in Oldham.
- Silver Falcon Maintenance Ltd2026
- SJC Plumbing Solutions Ltd2026
- Strafford P&H Ltd2023
- TB Plumbing & Heating Services Ltd2025
- Thornham Bathrooms Ltd2002
- Townsend Plumbing & Heating Ltd2023
- Trevor Greenwood Plumbing & Heating Ltd2011
- Truplumb Limited2017
All plumbing and heating companies in Oldham · All trades in Oldham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Si Gas Heating Ltd's accounts due?
Si Gas Heating 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 Si Gas Heating 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 Si Gas Heating Ltd still trading?
Si Gas Heating 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 Si Gas Heating Ltd do?
Si Gas Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Si Gas Heating Ltd?
Si Gas Heating Ltd was incorporated on 23 April 2024, 2 years ago.
What is the penalty if Si Gas Heating 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 Si Gas Heating 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.