- Companies
- Plumbers and heating engineers
- Glasgow
- Flame Speed Ltd
Flame Speed Ltd
- Company number
- SC398794
- Incorporated
- 4 May 201115 years trading
- Registered office
- 636 Clarkston Road, Glasgow, G44 3YS
- Nature of business
- Plumbing, heat and air-conditioning installation
Flame Speed Ltd is a 15-year-old private limited company registered in Glasgow, company number SC398794, one of 515 plumbing and heating companies in Glasgow. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £86 (-16%) on the year before, to £453.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £453 | £16K | 1 | ||
| 31 Mar 2024 | £539 | £2,669 | £8,947 | 1 | |
| 31 Mar 2023 | £297 | £0 | £1,348 | £5,794 | 1 |
| 31 Mar 2022 | £503 | £1,754 | £1,754 | £5,471 | 1 |
| 31 Mar 2021 | £4,248 | £1,647 | £1,647 | £5,585 | 1 |
| 31 Mar 2020 | £2,666 | £2,462 | £3,400 | 1 | |
| 31 Mar 2019 | £110 | £786 | £836 | £5,152 | 1 |
| 31 Mar 2018 | £537 | £3,041 | £3,776 | £8,261 | |
| 31 Mar 2017 | £410 | £3,136 | £3,436 | £7,360 | |
| 31 Mar 2016 | £270 | £612 | £6,122 |
Where Flame Speed Ltd is registered
The registered office is in Glasgow (G44), in the East Renfrewshire local authority area, Scotland. Show G44 3YS on a map.
Other trade companies in G44
- BJB Access LtdScaffolders
- Jab Energy LtdInstallers
- DS Project Management LtdCivil engineering
- Scottgas LimitedPlumbers and heating engineers
- NRB Plant LtdCivil engineering
- CMD Joinery All Aspects LtdJoiners and carpenters
- DFW Contracts LimitedInstallers
- Elevate Cleaning Solutions LtdCleaning companies
What happens if Flame Speed 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC398794
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 2011 (15 years ago)
- Registered office
- 636 Clarkston Road, Glasgow, G44 3YS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 4 May 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 Glasgow
Other active plumbing and heating companies registered in Glasgow.
- Flamefox Ltd2025
- Flametec Heating Ltd2024
- Flow-Tech Scotland Ltd2024
- FNH (Scotland) Ltd2016
- Fontus Plumbers Ltd2026
- Forge Heating Group Limited2026
- FPS Glasgow Limited2013
- Friel the Heat Ltd2020
All plumbing and heating companies in Glasgow · All trades in Glasgow · Plumbers and heating engineers across the UK
Frequently asked questions
When are Flame Speed Ltd's accounts due?
Flame Speed Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Flame Speed Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Flame Speed Ltd still trading?
Flame Speed Ltd is listed as active on the Companies House register (checked 12 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 Flame Speed Ltd do?
Flame Speed Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Flame Speed Ltd?
Flame Speed Ltd was incorporated on 4 May 2011, 15 years ago.
What is the penalty if Flame Speed 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 Flame Speed Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.