- Companies
- Electricians
- London
- Therm Ltd
Therm Ltd
- Company number
- 07188934
- Incorporated
- 15 Mar 201016 years trading
- Registered office
- 297-303 Edgware Road Edgware Road, Unit 4 Watling Gate, London, Greater London, NW9 6NB
- Nature of business
- Electrical installation
Therm Ltd is a 16-year-old private limited company registered in London, company number 07188934, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £12K (-23.1%) on the year before, to £40K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £46K against £6,392 owed within a year: 7.3 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £40K | £46K | £46K | £6,392 | 1 |
| 31 Mar 2025 | £52K | £59K | £59K | £6,797 | 1 |
| 31 Mar 2024 | £61K | £81K | £81K | £20K | 1 |
| 31 Mar 2023 | £62K | £73K | £86K | £25K | 1 |
| 31 Mar 2022 | £67K | £61K | £75K | £3,314 | 1 |
| 31 Mar 2021 | £64K | £59K | £69K | £9,779 | 1 |
| 31 Mar 2020 | £67K | £63K | £79K | £17K | 1 |
| 31 Mar 2019 | £58K | £66K | £71K | £13K | 1 |
| 31 Mar 2018 | £40K | £41K | £55K | £15K | 0 |
| 31 Mar 2017 | £30K | £27K | £46K | £14K | 1 |
Where Therm Ltd is registered
The registered office is in London (NW9), in the Brent local authority area, London. Show NW9 6NB on a map.
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Also registered at this address
2 other companies use the same registered office as Therm Ltd.
- Giovanni Construction LtdBuilders
- Nextgenab LtdMachinery repair and installation
What happens if Therm 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07188934
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 March 2010 (16 years ago)
- Registered office
- 297-303 Edgware Road Edgware Road, Unit 4 Watling Gate, London, Greater London, NW9 6NB
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 15 March 2026
- Previous names
- DPS Heating Limited (until 22 Sep 2025)
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in London
Other active electrical contractors registered in London.
- Thermotech Group Ltd2026
- Theydon Electrical Limited2012
- Thomas Froome Ltd2026
- Thomas Nagy Limited2017
- Thomerson Electrical Ltd2026
- Three Peaks Power Ltd2023
- Thunder Energy Services Ltd2026
- Tibcom Services Limited2022
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Therm Ltd's accounts due?
Therm Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Therm Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Therm Ltd still trading?
Therm 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 Therm Ltd do?
Therm Ltd is registered under Electrical installation (SIC 43210).
How old is Therm Ltd?
Therm Ltd was incorporated on 15 March 2010, 16 years ago.
What is the penalty if Therm 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 Therm 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.