- Companies
- Plumbers and heating engineers
- Dorchester
- Thermoloco Ltd
Thermoloco Ltd
- Company number
- 11068812
- Incorporated
- 17 Nov 20178 years trading
- Registered office
- 1 Nether Cerne, Dorchester, Dorset, DT2 7AJ
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermoloco Ltd is a 8-year-old private limited company registered in Dorchester, company number 11068812, one of 46 plumbing and heating companies in Dorchester. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £932 (+102.3%) on the year before, to £21.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £27K against £21K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £21 | £27K | £21K | 2 | |
| 30 Nov 2024 | -£911 | £28K | £15K | 2 | |
| 30 Nov 2023 | £100 | £33K | £41K | £29K | 2 |
| 30 Nov 2022 | -£11K | £0 | £6,099 | £14K | 2 |
| 30 Nov 2021 | £100 | £5,087 | £15K | £7,482 | 2 |
| 30 Nov 2020 | £2,056 | £6,549 | £15K | £6,441 | 2 |
| 30 Nov 2019 | £1,820 | £3,068 | £8,829 | £7,749 | 2 |
| 30 Nov 2018 | £1,900 | £6,540 | £7,852 | £6,909 | 2 |
Where Thermoloco Ltd is registered
The registered office is in Dorchester (DT2), in the Dorset local authority area, South West. Show DT2 7AJ on a map.
Other trade companies in DT2
- Cullifords Automotive LimitedMotor traders
- Stonehouse Building Contractors LtdBuilders
- SDL DÉCor LtdPainters and decorators
- Imperial Heritage Jewellers LtdRepair services
- Middletech Automotive LimitedMechanics and garages
- Handy Helen LtdPainters and decorators
- Goulds Construction & Design LimitedBuilders
- Iem Property Care LimitedCleaning companies
What happens if Thermoloco 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11068812
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 November 2017 (8 years ago)
- Registered office
- 1 Nether Cerne, Dorchester, Dorset, DT2 7AJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 13 March 2026
- Previous names
- Dorchester Boiler Solutions Ltd (until 8 Apr 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 Dorchester
Other active plumbing and heating companies registered in Dorchester.
- Warmer Waters Ltd2014
- Weymouth Wetrooms Limited2013
- Whites PHS Limited2011
- A1 Plumbing & Heating Services (UK) Ltd2012
- Abbas Gas Services Limited2001
- Alb Plumbing and Heating Services Limited2016
- Anthony Holland Plumbing and Heating Limited2009
- Aquaheat Services Limited2006
All plumbing and heating companies in Dorchester · All trades in Dorchester · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermoloco Ltd's accounts due?
Thermoloco Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Thermoloco Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Thermoloco Ltd still trading?
Thermoloco 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 Thermoloco Ltd do?
Thermoloco Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermoloco Ltd?
Thermoloco Ltd was incorporated on 17 November 2017, 8 years ago.
What is the penalty if Thermoloco 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 Thermoloco 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.