- Companies
- Specialist contractors
- Bristol
- Cabot Thermals Limited
Cabot Thermals Limited
- Company number
- 01167985
- Incorporated
- 25 Apr 197452 years trading
- Registered office
- 159 Bryants Hill, ST George, Bristol, BS5 8RQ
- Nature of business
- Other specialised construction activities n.e.c.
Cabot Thermals Limited is a 52-year-old private limited company registered in Bristol, company number 01167985, one of 442 specialist construction companies in Bristol. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £141K (-18.8%) on the year before, to £613K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £1M against £528K owed within a year: 2.0 times cover.
- 43 employees on average, up from 26 the year before.
- Balance sheets on record for 9 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £613K | £111K | £1M | £528K | 43 |
| 30 Nov 2024 | £754K | £328K | £699K | £124K | 26 |
| 30 Nov 2023 | £705K | £287K | £661K | £88K | 28 |
| 30 Nov 2022 | £705K | £575K | £845K | £155K | 33 |
| 30 Nov 2021 | £609K | £608K | £909K | £302K | 34 |
| 30 Nov 2020 | £802K | £763K | £1.1M | £399K | 38 |
| 30 Nov 2019 | £1.1M | £879K | £1.4M | £388K | 43 |
| 30 Nov 2018 | £1.4M | £1.2M | £1.8M | £490K | 44 |
| 30 Nov 2017 | £1.4M | £1.1M | £1.6M | £347K | 34 |
Who runs and owns Cabot Thermals Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| L*** H*** | Director | Jun 2025 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| W*** S*** | Secretary | Mar 1999 | Jun 2025 |
| M*** T*** | Secretary | Mar 1999 | |
| C*** D*** | Director | Sep 2002 | Aug 2025 |
| A*** H*** | Director | Aug 2025 | |
| W*** S*** | Director | Jun 2025 | |
| M*** T*** | Director | Mar 1999 |
Person with significant control
Charges (secured borrowing)
2 of 4 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Ecapital Commercial Finance (North) Limited | Outstanding | Aug 2025 |
| A private lender, A private lender, A private lender, A private lender | Outstanding | Jun 2025 |
| Lloyds TSB Bank PLC | Satisfied Apr 2008 | Jul 2002 |
| Lloyds Bank PLC | Satisfied Apr 2008 | May 1994 |
Public contracts won
Cabot Thermals Limited has 10 public sector contract awards on record; the ones with their own published value total £451K, from 2016 to 2026. Source: Contracts Finder and Find a Tender award notices. For 8 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. 8 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Bristol City Council5 awards
- Embark Multi Academy Trust1 award
- Northumberland County Council1 award
- Cardiff University1 award
- Nottingham City Council1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Embark Multi Academy Trust | Estates Works and Capital Projects Dynamic Market | Ceiling, not shown | 29 Sep 2026 |
| Northumberland County Council | Framework Agreement for Asbestos Removal & Disposal Works | Ceiling, not shown | 9 Jul 2026 |
| Cardiff University | Asbestos Consultancy and Removal/Remediation Framework | Ceiling, not shown | 18 May 2026 |
| Nottingham City Council | CPU 5374 Asbestos Removal | £400K | 12 May 2026 |
| Bristol City Council | BSH/ HRA Asbestos Framework | Ceiling, not shown | 20 Sep 2022 |
| Bristol City Council | Asbestos SoR for works in connection to one off fire safety works to communal areas, void flats and occupied flats | Ceiling, not shown | 12 May 2022 |
| Bristol City Council | BSH/CEN/Asbestos Removal (short term solution) | Ceiling, not shown | 18 Apr 2021 |
| Bristol City Council | BSH/CEN/Removal of Asbestos Materials in Tank House 4 The Bottle Yard Studio's | £51K | 23 Nov 2020 |
| Bristol City Council | Asbestos Removal Framework | Ceiling, not shown | 9 Sep 2019 |
| University of Bristol | Framework for Asbestos Services Lot 2- Asbestos Removal and Related Works | Ceiling, not shown | 1 Dec 2016 |
Where Cabot Thermals Limited is registered
The registered office is in Bristol (BS5), in the Bristol, City of local authority area, South West. Show BS5 8RQ on a map.
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What happens if Cabot Thermals 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 01167985
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 April 1974 (52 years ago)
- Registered office
- 159 Bryants Hill, ST George, Bristol, BS5 8RQ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 17 September 2026
- Charges (mortgages)
- 2 outstanding of 4 registered
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Bristol
Other active specialist construction companies registered in Bristol.
- Cad4U Limited2017
- Calm Thermal Limited2025
- Carbon Neutral Consulting Ltd2024
- Carrek Limited2010
- CH 146 Ltd2025
- Cheko Group Construction Ltd2025
- Chew Valley Construction Limited1986
- Cka Electrical Engineering Limited2017
All specialist construction companies in Bristol · All trades in Bristol · Specialist contractors across the UK
Frequently asked questions
When are Cabot Thermals Limited's accounts due?
Cabot Thermals Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Cabot Thermals Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Cabot Thermals Limited still trading?
Cabot Thermals Limited 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 Cabot Thermals Limited do?
Cabot Thermals Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Cabot Thermals Limited?
Cabot Thermals Limited was incorporated on 25 April 1974, 52 years ago.
Who runs Cabot Thermals Limited?
Cabot Thermals Limited has 1 active director, the longest-serving appointed in Jun 2025. Their names and service addresses are on the Companies House register.
Who owns Cabot Thermals Limited?
One person or company has significant control of Cabot Thermals Limited: Chirmarn Holdings Ltd (owns 75% or more of the shares).
Has Cabot Thermals Limited won public sector contracts?
Yes. Cabot Thermals Limited has 10 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £451K), most recently from Embark Multi Academy Trust.
What is the penalty if Cabot Thermals 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 Cabot Thermals Limited 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.