- Companies
- Plumbers and heating engineers
- Grimsby
- Heat Tech (Grimsby) Limited
Heat Tech (Grimsby) Limited
- Company number
- 04346039
- Incorporated
- 31 Dec 200124 years trading
- Registered office
- 3 Hornbeam Drive, Healing, Grimsby, South Humberside, DN41 7QY
- Nature of business
- Plumbing, heat and air-conditioning installation
Heat Tech (Grimsby) Limited is a 24-year-old private limited company registered in Grimsby, company number 04346039, one of 83 plumbing and heating companies in Grimsby. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £38K (+7.3%) on the year before, to £554K.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £687K against £150K owed within a year: 4.6 times cover.
- 2 employees on average during the year.
- 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 Dec 2025 | £554K | £687K | £150K | 2 | |
| 31 Dec 2024 | £516K | £594K | £101K | 2 | |
| 31 Dec 2023 | £466K | £526K | £78K | 2 | |
| 31 Dec 2022 | £419K | £457K | £63K | 2 | |
| 31 Dec 2021 | £348K | £369K | £31K | 2 | |
| 31 Dec 2020 | £321K | £390K | £84K | 2 | |
| 31 Dec 2019 | £248K | £299K | £180K | 2 | |
| 31 Dec 2018 | £192K | £238K | £174K | 2 | |
| 31 Dec 2017 | £135K | £145K | £137K | 2 | |
| 31 Dec 2016 | £79K | £219K | £273K |
Where Heat Tech (Grimsby) Limited is registered
The registered office is in Grimsby (DN41), in the North East Lincolnshire local authority area, Yorkshire and The Humber. Show DN41 7QY on a map.
Other trade companies in DN41
- Great Coates Road Plot 2A LtdBuilders
- Plot 2 Great Coates Road LtdBuilders
- Birch View Joinery LtdJoiners and carpenters
- NMF Plumbing Heating and Renewables LtdPlumbers and heating engineers
- S K Scaffolding Services ( Lincs.) LtdScaffolders
- Kamp Commercials LtdMechanics and garages
- Julux Energy LtdMachinery repair and installation
- Ayre Electrical LtdElectricians
What happens if Heat Tech (Grimsby) 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04346039
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 December 2001 (24 years ago)
- Registered office
- 3 Hornbeam Drive, Healing, Grimsby, South Humberside, DN41 7QY
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 9 February 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 Grimsby
Other active plumbing and heating companies registered in Grimsby.
- Home Heating Services Grimsby Ltd2023
- Howard Plumbing and Heating Services Ltd2018
- Humber Homes Heating Ltd2022
- Industrix Plumbing & Joinery Limited2026
- J Southern Plumbing & Heating Limited2026
- J2 Plumbing and Heating Ltd2021
- James Gibbons Plumbing & Heating Limited2019
- James Gray Home Improvements Limited2005
All plumbing and heating companies in Grimsby · All trades in Grimsby · Plumbers and heating engineers across the UK
Frequently asked questions
When are Heat Tech (Grimsby) Limited's accounts due?
Heat Tech (Grimsby) Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Heat Tech (Grimsby) Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Heat Tech (Grimsby) Limited still trading?
Heat Tech (Grimsby) 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 Heat Tech (Grimsby) Limited do?
Heat Tech (Grimsby) Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heat Tech (Grimsby) Limited?
Heat Tech (Grimsby) Limited was incorporated on 31 December 2001, 24 years ago.
What is the penalty if Heat Tech (Grimsby) 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 Heat Tech (Grimsby) 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.