- Companies
- Plumbers and heating engineers
- Reading
- Thermotec Plumbing and Heating Ltd
Thermotec Plumbing and Heating Ltd
- Company number
- 11534840
- Incorporated
- 24 Aug 20188 years trading
- Registered office
- 11 Hill Road, Arborfield, Reading, Berkshire, RG2 9LP
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermotec Plumbing and Heating Ltd is a 8-year-old private limited company registered in Reading, company number 11534840, one of 221 plumbing and heating companies in Reading. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 up £6,009 (+85.1%) on the year before, to -£1,053.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £22K against £19K owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£1,053 | £5,748 | £22K | £19K | 0 |
| 31 Jan 2024 | -£7,062 | £1,489 | £19K | £21K | 0 |
| 31 Jan 2023 | £133 | £3,944 | £18K | £7,270 | 0 |
| 31 Aug 2021 | £168 | £4,273 | £14K | £1,706 | 0 |
| 31 Aug 2020 | £874 | £12K | £16K | £18K | 0 |
| 31 Aug 2019 | £447 | £1,186 | £2,560 | £6,853 | 0 |
Where Thermotec Plumbing and Heating Ltd is registered
The registered office is in Reading (RG2), in the Wokingham local authority area, South East. Show RG2 9LP on a map.
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What happens if Thermotec Plumbing and 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11534840
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 August 2018 (8 years ago)
- Registered office
- 11 Hill Road, Arborfield, Reading, Berkshire, RG2 9LP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 23 August 2026
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 Reading
Other active plumbing and heating companies registered in Reading.
- Titan Plumbing & Heating (Reading) Ltd2025
- TM Plumbing Heating Ltd2020
- Tony Chaplin Gas Ltd2024
- Tony Lees & Sons Ltd2002
- Tri Cooling Ltd2025
- TSKM Ltd2026
- Ubr Heating & Plumbing Ltd2020
- UK Fixed & Portable Aircon Ltd2026
All plumbing and heating companies in Reading · All trades in Reading · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermotec Plumbing and Heating Ltd's accounts due?
Thermotec Plumbing and Heating Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Thermotec Plumbing and Heating Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Thermotec Plumbing and Heating Ltd still trading?
Thermotec Plumbing and 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 Thermotec Plumbing and Heating Ltd do?
Thermotec Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermotec Plumbing and Heating Ltd?
Thermotec Plumbing and Heating Ltd was incorporated on 24 August 2018, 8 years ago.
What is the penalty if Thermotec Plumbing and 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 Thermotec Plumbing and 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.