- Companies
- Plumbers and heating engineers
- Truro
- Warmstar Heating Limited
Warmstar Heating Limited
- Company number
- 05633040
- Incorporated
- 23 Nov 200520 years trading
- Registered office
- Unit A, Woodlands Court, Truro Business Park, Truro, Cornwall, TR4 9NH
- Nature of business
- Plumbing, heat and air-conditioning installation
Warmstar Heating Limited is a 20-year-old private limited company registered in Truro, company number 05633040, one of 32 plumbing and heating companies in Truro. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 £14K (-14.1%) on the year before, to £86K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £192K against £123K owed within a year: 1.6 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Aug 2025 | £86K | £142K | £192K | £123K | 0 |
| 31 Aug 2024 | £100K | £162K | £204K | £115K | 10 |
| 31 Aug 2023 | £91K | £111K | £147K | £85K | 10 |
| 31 Aug 2022 | £82K | £79K | £112K | £73K | 10 |
| 31 Aug 2021 | £26K | £30K | £50K | £84K | 10 |
| 31 Aug 2020 | £80K | £31K | £78K | £73K | 10 |
| 31 Aug 2019 | £98K | £25K | £104K | £99K | 9 |
| 31 Aug 2018 | £112K | £7,506 | £63K | £62K | 9 |
| 31 Aug 2017 | £114K | £11K | £56K | £54K | 7 |
| 31 Aug 2016 | £94K | £6,754 | £52K | £81K | 7 |
Where Warmstar Heating Limited is registered
The registered office is in Truro (TR4), in the Cornwall local authority area, South West. Show TR4 9NH on a map.
Other trade companies in TR4
- I Spy Group SW LtdElectricians
- Harbour & Stone Developments LtdProperty developers
- Switched on Land and Developments LimitedProperty developers
- Wren Developments LtdProperty developers
- Level Up Refurbishments LtdFinishing trades
- Stratton Cleaning Co LtdCleaning companies
- Slate Worx (Cornwall) LtdRoofers
- C & L Developments LimitedProperty developers
What happens if Warmstar Heating Limited 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 05633040
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 November 2005 (20 years ago)
- Registered office
- Unit A, Woodlands Court, Truro Business Park, Truro, Cornwall, TR4 9NH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 23 November 2025
- Charges (mortgages)
- 1 outstanding of 3 registered
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 Truro
Other active plumbing and heating companies registered in Truro.
- Watkins Plumbing & Heating Limited2003
- WFN Electrical, Refrigeration & Air Conditioning Limited2018
- Chris Bailey Heating Ltd2018
- Colin Pascoe Plumbing & Heating Ltd2015
- Cornwall Maintenance Services Limited2020
- D & S Jose Limited2010
- Danver Plumbing & Heating Limited2024
- Davanna Heating Limited2002
All plumbing and heating companies in Truro · All trades in Truro · Plumbers and heating engineers across the UK
Frequently asked questions
When are Warmstar Heating Limited's accounts due?
Warmstar Heating Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Warmstar Heating Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Warmstar Heating Limited still trading?
Warmstar Heating Limited 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 Warmstar Heating Limited do?
Warmstar Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Warmstar Heating Limited?
Warmstar Heating Limited was incorporated on 23 November 2005, 20 years ago.
What is the penalty if Warmstar Heating Limited 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 Warmstar Heating Limited 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.