- Companies
- Plumbers and heating engineers
- Southampton
- THB Plumbing & Heating Ltd
THB Plumbing & Heating Ltd
- Company number
- 16045498
- Incorporated
- 28 Oct 20241 year trading
- Registered office
- 13 Hill Place, Bursledon, Southampton, SO31 8AE
- Nature of business
- Plumbing, heat and air-conditioning installation
THB Plumbing & Heating Ltd is a 1-year-old private limited company registered in Southampton, company number 16045498, one of 246 plumbing and heating companies in Southampton. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where THB Plumbing & Heating Ltd is registered
The registered office is in Southampton (SO31), in the Eastleigh local authority area, South East. Show SO31 8AE on a map.
Other trade companies in SO31
- MNC Cleaning LtdCleaning companies
- Mars Eng. LtdMachinery repair and installation
- Amc Plumbing and Heating LtdPlumbers and heating engineers
- Pride & Bloom LtdLandscapers and gardeners
- Hampshire Heating and Cooling LtdPlumbers and heating engineers
- Kelpie Landscape & Build LtdFinishing trades
- FSC Facilities Services LtdInstallers
- Fitton & Redding Services LimitedMechanics and garages
What happens if THB Plumbing & Heating 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16045498
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 October 2024 (1 year ago)
- Registered office
- 13 Hill Place, Bursledon, Southampton, SO31 8AE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 27 October 2025
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 Heating & Plumbing Ltd2025
- 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
All plumbing and heating companies in Southampton · All trades in Southampton · Plumbers and heating engineers across the UK
Frequently asked questions
When are THB Plumbing & Heating Ltd's accounts due?
THB Plumbing & Heating Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is THB Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is THB Plumbing & Heating Ltd still trading?
THB Plumbing & Heating 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 THB Plumbing & Heating Ltd do?
THB Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is THB Plumbing & Heating Ltd?
THB Plumbing & Heating Ltd was incorporated on 28 October 2024, 1 year ago.
What is the penalty if THB Plumbing & Heating 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 THB Plumbing & Heating 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.