- Companies
- Plumbers and heating engineers
- Carlisle
- Thompson Heating Limited
Thompson Heating Limited
- Company number
- 16637643
- Incorporated
- 8 Aug 20251 year trading
- Registered office
- 6 Brunswick Street, Carlisle, Cumbria, CA1 1PN
- Nature of business
- Plumbing, heat and air-conditioning installation
Thompson Heating Limited is a 1-year-old private limited company registered in Carlisle, company number 16637643, one of 50 plumbing and heating companies in Carlisle. Its next accounts are due at Companies House on 8 May 2027, and its first CT600 is due at HMRC on 7 August 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Thompson Heating Limited is registered
The registered office is in Carlisle (CA1), in the Cumberland local authority area, North West. Show CA1 1PN on a map.
Other trade companies in CA1
- Fine Finish Interiors LtdJoiners and carpenters
- GB Groundworks LtdCivil engineering
- Oak End Construction & Management LtdProperty developers
- GS10 Trading LimitedMotor traders
- Overbuilt UK LtdMotor traders
- Fire Door 360 LimitedJoiners and carpenters
- Carlisle Remapping LtdMechanics and garages
- Adam G Smith LimitedPlumbers and heating engineers
Shared registered office
35 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Thompson Heating 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 8 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 May 2027 to 8 Jun 2027 | £150 |
| 1 to 3 months late | 9 Jun 2027 to 8 Aug 2027 | £375 |
| 3 to 6 months late | 9 Aug 2027 to 8 Nov 2027 | £750 |
| More than 6 months late | From 9 Nov 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
- 16637643
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2025 (1 year ago)
- Registered office
- 6 Brunswick Street, Carlisle, Cumbria, CA1 1PN
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 7 August 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 Carlisle
Other active plumbing and heating companies registered in Carlisle.
- Trevor McVittie Limited2008
- Adam G Smith Limited2026
- Agt Plumbing & Heating Limited2011
- Aidan Kirkley Plumbing & Heating Limited2023
- Air Sourced Ltd2022
- Andrew Errington Ltd2025
- Api Mechanical Services Limited2008
- Armstrong & Liddle Plumbing & Heating Limited2005
All plumbing and heating companies in Carlisle · All trades in Carlisle · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thompson Heating Limited's accounts due?
Thompson Heating Limited's next accounts are due at Companies House by 8 May 2027 (in 207 days), covering the period to 31 August 2026.
When is Thompson Heating Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 August 2026, due by 7 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thompson Heating Limited still trading?
Thompson Heating 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 Thompson Heating Limited do?
Thompson Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thompson Heating Limited?
Thompson Heating Limited was incorporated on 8 August 2025, 1 year ago.
What is the penalty if Thompson Heating 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 Thompson Heating 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.