- Companies
- Specialist contractors
- London
- Inter Thermal Solutions Ltd
Inter Thermal Solutions Ltd
- Company number
- 12704185
- Incorporated
- 29 Jun 20206 years trading
- Registered office
- 56 Beresford Avenue, London, W7 3AL
- Nature of business
- Other specialised construction activities n.e.c.
Inter Thermal Solutions Ltd is a 6-year-old private limited company registered in London, company number 12704185, one of 4,318 specialist construction companies in London. 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 £9,660 (-97.9%) on the year before, to £208.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- Current assets of £79K against £15K owed within a year: 5.2 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £208 | £79K | £15K | 2 | |
| 31 Mar 2024 | £9,868 | £34K | £11K | 2 | |
| 31 Mar 2023 | £46K | £63K | £7,367 | 2 | |
| 31 Mar 2022 | £57K | £103K | £23K | 2 | |
| 31 Mar 2021 | £100 | £30K | £30K | 0 |
Where Inter Thermal Solutions Ltd is registered
The registered office is in London (W7), in the Ealing local authority area, London. Show W7 3AL on a map.
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What happens if Inter Thermal Solutions 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
- 12704185
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 June 2020 (6 years ago)
- Registered office
- 56 Beresford Avenue, London, W7 3AL
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 December 2025
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in London
Other active specialist construction companies registered in London.
- Interconnect Systems Av Ltd2019
- Interfix Ltd2026
- Interior Address Limited2009
- Interior Space Solutions Limited2011
- Interlink Contractors Ltd2011
- International Haussmann Renov Limited2026
- Intro Messebau GMBH Ltd2005
- Intronec Estate Limited2020
All specialist construction companies in London · All trades in London · Specialist contractors across the UK
Frequently asked questions
When are Inter Thermal Solutions Ltd's accounts due?
Inter Thermal Solutions 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 Inter Thermal Solutions 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 Inter Thermal Solutions Ltd still trading?
Inter Thermal Solutions 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 Inter Thermal Solutions Ltd do?
Inter Thermal Solutions Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Inter Thermal Solutions Ltd?
Inter Thermal Solutions Ltd was incorporated on 29 June 2020, 6 years ago.
What is the penalty if Inter Thermal Solutions 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 Inter Thermal Solutions 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.