- Companies
- Plumbers and heating engineers
- Coalville
- Agar Thermal Insulations Ltd
Agar Thermal Insulations Ltd
- Company number
- 15095602
- Incorporated
- 25 Aug 20233 years trading
- Registered office
- Office 5, the Forest Rock Offices Leicester Road, Whitwick, Coalville, Leicestershire, LE67 5GQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Agar Thermal Insulations Ltd is a 3-year-old private limited company registered in Coalville, company number 15095602, one of 28 plumbing and heating companies in Coalville. 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 up £141 (+28.7%) on the year before, to £632.
- Current assets of £26K against £14K owed within a year: 1.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £632 | £26K | £14K | 2 | |
| 31 Aug 2024 | £491 | £13K | £4,894 | 2 |
Who runs and owns Agar Thermal Insulations Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** A*** | Director | Aug 2023 |
| L*** A*** | Director | Aug 2023 |
Person with significant control
Where Agar Thermal Insulations Ltd is registered
The registered office is in Coalville (LE67), in the North West Leicestershire local authority area, East Midlands. Show LE67 5GQ on a map.
Other trade companies in LE67
- TS Ground Solutions LtdLandscapers and gardeners
- Shell Building Contractors LtdBuilders
- Steel Square LtdInstallers
- JFT Electrical Services LtdElectricians
- JP HGV Tech & Cam LtdMechanics and garages
- The Building Maintenance Company Leicester LimitedCleaning companies
- The Tyre Guys ( JPZ) LtdMotor traders
- Michaels Tree & Landscaping LtdLandscapers and gardeners
Also registered at this address
19 other companies use the same registered office as Agar Thermal Insulations Ltd.
- A & L Building Contractors LimitedBuilders
- A Lidwell Construction LtdBuilders
- All Access Scaffolding Midlands LimitedScaffolders
- Argyle Civil Engineering LtdCivil engineering
- Brome Gas Services LtdPlumbers and heating engineers
- Calliway Construction LtdInstallers
- Camak Services LtdMachinery repair and installation
- CM3 Electrical Contractors LtdElectricians
- Envire LimitedFinishing trades
- Etm Groundworks LtdFinishing trades
- Expert Weed Solutions LtdLandscapers and gardeners
- Greasley Electronics LimitedMachinery repair and installation
- LG Elevators LtdInstallers
- LP Rails and Repairs LtdMachinery repair and installation
- Palmers PH LtdPlumbers and heating engineers
- Ra Hausworks LtdSpecialist contractors
- Static Electrical Contractors LtdElectricians
- T.K. Curtain Repairs LimitedMechanics and garages
- Tams Electrical Contractors LtdElectricians
What happens if Agar Thermal Insulations 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 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
- 15095602
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 2023 (3 years ago)
- Registered office
- Office 5, the Forest Rock Offices Leicester Road, Whitwick, Coalville, Leicestershire, LE67 5GQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 August 2025
- Previous names
- Agar Thermal Insultations Ltd (until 30 Sep 2023)
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 Coalville
Other active plumbing and heating companies registered in Coalville.
- Astalis Heating Ltd2024
- Blu Bell Services Ltd2023
- Brome Gas Services Ltd2026
- C V Lane Limited2014
- D1F Limited2025
- Dansflore Limited2023
- Davenport Cooling Services Limited2020
- Franchise Investments Durham Limited2013
All plumbing and heating companies in Coalville · All trades in Coalville · Plumbers and heating engineers across the UK
Frequently asked questions
When are Agar Thermal Insulations Ltd's accounts due?
Agar Thermal Insulations Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Agar Thermal Insulations Ltd'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 Agar Thermal Insulations Ltd still trading?
Agar Thermal Insulations Ltd is listed as active on the Companies House register (checked 13 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 Agar Thermal Insulations Ltd do?
Agar Thermal Insulations Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Agar Thermal Insulations Ltd?
Agar Thermal Insulations Ltd was incorporated on 25 August 2023, 3 years ago.
Who runs Agar Thermal Insulations Ltd?
Agar Thermal Insulations Ltd has 2 active directors, the longest-serving appointed in Aug 2023. Their names and service addresses are on the Companies House register.
Who owns Agar Thermal Insulations Ltd?
One person or company has significant control of Agar Thermal Insulations Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Agar Thermal Insulations 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 Agar Thermal Insulations Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.