- Companies
- Plumbers and heating engineers
- Southampton
- Thermatech Heating & Plumbing Ltd
Thermatech Heating & Plumbing Ltd
- Company number
- 16532736
- Incorporated
- 20 Jun 20251 year trading
- Registered office
- Trinder House Free Street, Bishops Waltham, Southampton, SO32 1EE
- Nature of business
- Plumbing, heat and air-conditioning installation
Thermatech Heating & Plumbing Ltd is a 1-year-old private limited company registered in Southampton, company number 16532736, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 20 March 2027, and its first CT600 is due at HMRC on 19 June 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Thermatech Heating & Plumbing LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Thermatech Heating & Plumbing Ltd is registered
The registered office is in Southampton (SO32), in the Winchester local authority area, South East. Show SO32 1EE on a map.
Other trade companies in SO32
- J. Green Plastering LtdPlasterers
- D&A Groom LtdInstallers
- Clearline Builds LtdBuilders
- Bumpers to Boost Customs LimitedMotor traders
- Chambers Composites LtdSpecialist contractors
- Gilltown Developments LimitedProperty developers
- Woodpabst Developments LimitedProperty developers
- Htwagroup LtdProperty developers
Also registered at this address
10 other companies use the same registered office as Thermatech Heating & Plumbing Ltd.
- Black Fox Construction LimitedBuilders
- Cardev Construction LimitedBuilders
- Longpoint Solutions LimitedElectricians
- Matthew Clift Decorating Services LtdPainters and decorators
- MCDS Commercial LtdFinishing trades
- Metro Monitoring LtdSpecialist contractors
- Newcaruk LtdMotor traders
- Property Phix LimitedProperty developers
- Thermatech Home Services LtdPlumbers and heating engineers
- Warsash Enterprises LimitedBuilders
What happens if Thermatech Heating & Plumbing 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 20 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Mar 2027 to 20 Apr 2027 | £150 |
| 1 to 3 months late | 21 Apr 2027 to 20 Jun 2027 | £375 |
| 3 to 6 months late | 21 Jun 2027 to 20 Sep 2027 | £750 |
| More than 6 months late | From 21 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16532736
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2025 (1 year ago)
- Registered office
- Trinder House Free Street, Bishops Waltham, Southampton, SO32 1EE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 June 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 Southampton
Other active plumbing and heating companies registered in Southampton.
- Thermatech Home Services Ltd2026
- Tidal Plumbing and Heating Limited2017
- Tip Top Plumbing Heating and Gas Services Ltd2024
- Tony Smith Plumbing and Heating Services Limited2002
- Tribbles Plumbing & Heating Ltd2014
- Trident Gas Limited2024
- Turay Limited2013
- Ukb Plumbing Ltd2024
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Thermatech Heating & Plumbing Ltd's accounts due?
Thermatech Heating & Plumbing Ltd's next accounts are due at Companies House by 20 March 2027 (in 158 days), covering the period to 30 June 2026.
When is Thermatech Heating & Plumbing Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 June 2026, due by 19 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thermatech Heating & Plumbing Ltd still trading?
Thermatech Heating & Plumbing 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 Thermatech Heating & Plumbing Ltd do?
Thermatech Heating & Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Thermatech Heating & Plumbing Ltd?
Thermatech Heating & Plumbing Ltd was incorporated on 20 June 2025, 1 year ago.
What is the penalty if Thermatech Heating & Plumbing 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 Thermatech Heating & Plumbing 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.