- Companies
- Installers
- Hull
- Heat Insulation Ltd
Heat Insulation Ltd
- Company number
- 02406649
- Incorporated
- 21 Jul 198937 years trading
- Registered office
- Crowle House, Crowle Street, Hull, HU9 1RH
- Nature of business
- Other construction installation
Heat Insulation Ltd is a 37-year-old private limited company registered in Hull, company number 02406649, one of 103 installation companies (insulation, lifts, shutters and similar) in Hull. 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 up £192K (+84.3%) on the year before, to -£36K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £245K against £406K owed within a year: 0.6 times cover.
- 16 employees on average, up from 14 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2024 | -£36K | £111K | £245K | £406K | 16 |
| 31 Mar 2023 | -£228K | £43K | £148K | £456K | 14 |
| 31 Mar 2022 | -£294K | £15K | £111K | £465K | 13 |
| 31 Mar 2021 | -£169K | £9,360 | £113K | £314K | 13 |
| 31 Mar 2020 | -£77K | £17K | £80K | £183K | 15 |
| 31 Mar 2019 | £76K | £83K | £264K | £222K | 15 |
| 31 Mar 2018 | £54K | £80K | £245K | £226K | 16 |
| 31 Mar 2017 | £146K | £104K | £315K | £209K | 16 |
| 31 Mar 2016 | £187K | £70K | £305K | £170K | |
| 31 Mar 2015 | £416K | £169K | £502K | £157K |
Public contracts won
Heat Insulation Ltd has 5 public sector contract awards on record; the ones with their own published value total £166K, from 2023 to 2025. Source: Contracts Finder and Find a Tender award notices. For 1 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 3 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Hull City Council3 awards
- Kingstown Works Ltd2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Kingstown Works Ltd | 127/24 - Gleneagles - External and Internal Sub-contractors | Ceiling, not shown | 28 Jan 2025 |
| Kingstown Works Ltd | Gleneagles - External and Internal Sub-contractors | £28K | 28 Jan 2025 |
| Hull City Council | Installation of energy efficiency measures (loft insulation/cavity wall insulation ) in both the private and social sector. | £48K | 19 Dec 2023 |
| Hull City Council | Installation of energy efficiency measures (loft insulation/cavity wall insulation ) in both the private and social sector. | £45K | 13 Nov 2023 |
| Hull City Council | nstallation of energy efficiency | £45K | 19 Sep 2023 |
Where Heat Insulation Ltd is registered
The registered office is in Hull (HU9), in the Kingston upon Hull, City of local authority area, Yorkshire and The Humber. Show HU9 1RH on a map.
Other trade companies in HU9
- Frank Barton Motors LtdMechanics and garages
- Trussly LimitedBuilders
- Humber Interiors LtdJoiners and carpenters
- Designer Drives and Landscapes LtdLandscapers and gardeners
- Caa Civils LtdCivil engineering
- Haynes Scaffolding LtdScaffolders
- Akojenu Group LtdBuilders
- PCR Elite LtdCleaning companies
What happens if Heat Insulation 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
- 02406649
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 1989 (37 years ago)
- Registered office
- Crowle House, Crowle Street, Hull, HU9 1RH
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 8 July 2026
- Charges (mortgages)
- 0 outstanding of 1 registered
- Previous names
- H.E.A.T. (Insulation) Ltd (until 25 Nov 2019)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Hull
Other active installation companies (insulation, lifts, shutters and similar) registered in Hull.
- Hedley L. Burman & Son Limited2010
- Hinchsliff & Sons Building & Joinery Ltd2020
- Hull Trade Fireplaces Limited2017
- Humber Homes Renovations Ltd2021
- Inspectionuk Ltd2024
- Inspired Spaces (East Yorkshire) Ltd2011
- J J Tye Limited2025
- J.Olsson Services Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Hull · All trades in Hull · Installers across the UK
Frequently asked questions
When are Heat Insulation Ltd's accounts due?
Heat Insulation 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 Heat Insulation 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 Heat Insulation Ltd still trading?
Heat Insulation 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 Heat Insulation Ltd do?
Heat Insulation Ltd is registered under Other construction installation (SIC 43290).
How old is Heat Insulation Ltd?
Heat Insulation Ltd was incorporated on 21 July 1989, 37 years ago.
Has Heat Insulation Ltd won public sector contracts?
Yes. Heat Insulation Ltd has 5 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £166K), most recently from Kingstown Works Ltd.
What is the penalty if Heat Insulation 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 Heat Insulation 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.