- Companies
- Installers
- Leeds
- Thermal Engineering Contracts Ltd
Thermal Engineering Contracts Ltd
- Company number
- 06898767
- Incorporated
- 7 May 200917 years trading
- Registered office
- 38 Whitehouse Street, Leeds, West Yorkshire, LS10 1AD
- Nature of business
- Other construction installation
Thermal Engineering Contracts Ltd is a 17-year-old private limited company registered in Leeds, company number 06898767, one of 225 installation companies (insulation, lifts, shutters and similar) in Leeds. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £1.5M (-44.1%) on the year before, to £1.9M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £2.8M against £1.1M owed within a year: 2.4 times cover.
- 69 employees on average, down from 70 the year before.
- 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 May 2025 | £1.9M | £1.5M | £2.8M | £1.1M | 69 |
| 31 May 2024 | £3.4M | £2.6M | £4.4M | £1.2M | 70 |
| 31 May 2023 | £2.3M | £1.6M | £3.3M | £1.1M | 67 |
| 31 May 2022 | £1.3M | £961K | £1.8M | £607K | 50 |
| 31 May 2021 | £755K | £813K | £1.7M | £650K | 44 |
| 31 May 2020 | £311K | £781K | £1.2M | £589K | 54 |
| 31 May 2019 | £284K | £583K | £1.1M | £880K | 60 |
| 31 May 2018 | £151K | £107K | £431K | £343K | 50 |
| 31 May 2017 | £149K | £109K | £494K | £417K | 50 |
| 31 May 2016 | £994 | £100K | £329K | £385K |
Public contracts won
Thermal Engineering Contracts Ltd has 2 public sector contract awards on record; the ones with their own published value total £33K, 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.
Awards by year
Main buyers
- South Tyneside Council1 award
- Kirklees Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| South Tyneside Council | Framework for Fire Stopping Remedial and Associated Works | Ceiling, not shown | 20 Mar 2025 |
| Kirklees Council | Supply, delivery & installation of fire boards | £33K | 19 Apr 2023 |
Where Thermal Engineering Contracts Ltd is registered
The registered office is in Leeds (LS10), in the Leeds local authority area, Yorkshire and The Humber. Show LS10 1AD on a map.
Other trade companies in LS10
- Mat Luxury Motors LtdMotor traders
- Avm Dryline LtdBuilders
- Nem Build LtdInstallers
- Goodshaw Motors LtdMotor traders
- JW & Son Roofing LtdRoofers
- Doors by Design (Leeds) LtdJoiners and carpenters
- Prime Build & Trade LtdPainters and decorators
- Aehale Electrical LimitedElectricians
What happens if Thermal Engineering Contracts 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 06898767
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 2009 (17 years ago)
- Registered office
- 38 Whitehouse Street, Leeds, West Yorkshire, LS10 1AD
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 7 May 2026
- Charges (mortgages)
- 3 outstanding of 3 registered
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 Leeds
Other active installation companies (insulation, lifts, shutters and similar) registered in Leeds.
- Timelimit Limited1996
- Toma Services (Yorkshire) Limited2012
- Tru-Fix Limited2019
- Ultra Fire Protection Limited2018
- Urban Sign Installation Ltd2026
- Vertex Acoustics Ltd2022
- Vertex Interiors Ltd2022
- Violet Signs Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Leeds · All trades in Leeds · Installers across the UK
Frequently asked questions
When are Thermal Engineering Contracts Ltd's accounts due?
Thermal Engineering Contracts Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Thermal Engineering Contracts Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Thermal Engineering Contracts Ltd still trading?
Thermal Engineering Contracts 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 Thermal Engineering Contracts Ltd do?
Thermal Engineering Contracts Ltd is registered under Other construction installation (SIC 43290).
How old is Thermal Engineering Contracts Ltd?
Thermal Engineering Contracts Ltd was incorporated on 7 May 2009, 17 years ago.
Has Thermal Engineering Contracts Ltd won public sector contracts?
Yes. Thermal Engineering Contracts Ltd has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £33K), most recently from South Tyneside Council.
What is the penalty if Thermal Engineering Contracts 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 Thermal Engineering Contracts 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.