- Companies
- Machinery repair and installation
- London
- Steadfast Heat Fix Ltd
Steadfast Heat Fix Ltd
- Company number
- 16941390
- Incorporated
- 5 Jan 2026
- Registered office
- 468 Katherine Road, London, E7 8DR
- Nature of business
- Repair of fabricated metal products; Electrical installation; Plumbing, heat and air-conditioning installation; Other building completion and finishing
Steadfast Heat Fix Ltd is a newly incorporated private limited company registered in London, company number 16941390, one of 1,743 machinery repair and installation companies in London. Its next accounts are due at Companies House on 5 October 2027, and its first CT600 is due at HMRC on 4 January 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Steadfast Heat Fix Ltd is registered
The registered office is in London (E7), in the Newham local authority area, London. Show E7 8DR on a map.
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What happens if Steadfast Heat Fix 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 5 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Oct 2027 to 5 Nov 2027 | £150 |
| 1 to 3 months late | 6 Nov 2027 to 5 Jan 2028 | £375 |
| 3 to 6 months late | 6 Jan 2028 to 5 Apr 2028 | £750 |
| More than 6 months late | From 6 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 16941390
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 January 2026
- Registered office
- 468 Katherine Road, London, E7 8DR
- Nature of business
- Repair of fabricated metal products (SIC 33110)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other building completion and finishing (SIC 43390) - Year end
- 31 January (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 5 March 2026
- Previous names
- Steadfastheatingandplumbingsolutions Ltd (until 26 Jan 2026)
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in London
Other active machinery repair and installation companies registered in London.
- Steelguard Systems Ltd2026
- Stephin Electricals Ltd2024
- Sterinova Medical Ltd2026
- Sticky Bottle London Limited2021
- Stihl&Husky Service Limited2022
- Storexpert Solutions Limited2025
- Storm Yachts Ltd2026
- Stow Aircraft Interiors Ltd2023
All machinery repair and installation companies in London · All trades in London · Machinery repair and installation across the UK
Frequently asked questions
When are Steadfast Heat Fix Ltd's accounts due?
Steadfast Heat Fix Ltd's next accounts are due at Companies House by 5 October 2027 (in 357 days), covering the period to 31 January 2027.
When is Steadfast Heat Fix Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 January 2027, due by 4 January 2028, and one for the period to 31 January 2027, due by 31 January 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Steadfast Heat Fix Ltd still trading?
Steadfast Heat Fix 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 Steadfast Heat Fix Ltd do?
Steadfast Heat Fix Ltd is registered under Repair of fabricated metal products (SIC 33110); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220); Other building completion and finishing (SIC 43390).
How old is Steadfast Heat Fix Ltd?
Steadfast Heat Fix Ltd was incorporated on 5 January 2026, less than a year ago.
What is the penalty if Steadfast Heat Fix 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 Steadfast Heat Fix 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.