- Companies
- Plumbers and heating engineers
- St Austell
- Smith & Son Plumbing Ltd
Smith & Son Plumbing Ltd
- Company number
- 16741056
- Incorporated
- 24 Sep 20251 year trading
- Registered office
- 34 Goverseth Terrace, Foxhole, St Austell, PL26 7XA
- Nature of business
- Plumbing, heat and air-conditioning installation
Smith & Son Plumbing Ltd is a 1-year-old private limited company registered in St Austell, company number 16741056, one of 21 plumbing and heating companies in St Austell. Its next accounts are due at Companies House on 24 June 2027, and its first CT600 is due at HMRC on 23 September 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 Smith & Son Plumbing Ltd is registered
The registered office is in St Austell (PL26), in the Cornwall local authority area, South West. Show PL26 7XA on a map.
Other trade companies in PL26
- L.W. Roofing (Cornwall) LtdRoofers
- Wall2Wall Building LtdBuilders
- Sam Bray Window Cleaning LtdCleaning companies
- Ocean Shore (SW) LtdBuilders
- Coast to Coast Water Engineering LtdSpecialist contractors
- Elevate Construction SW LimitedProperty developers
- Trelavour Road Garage (SW) LtdMechanics and garages
- Treverbyn Trade Cars T/A Treverbyn Car Sales LtdMotor traders
What happens if Smith & Son 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 24 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Jun 2027 to 24 Jul 2027 | £150 |
| 1 to 3 months late | 25 Jul 2027 to 24 Sep 2027 | £375 |
| 3 to 6 months late | 25 Sep 2027 to 24 Dec 2027 | £750 |
| More than 6 months late | From 25 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16741056
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 September 2025 (1 year ago)
- Registered office
- 34 Goverseth Terrace, Foxhole, St Austell, PL26 7XA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 St Austell
Other active plumbing and heating companies registered in St Austell.
- Sureflow Mechanical and Electrical Services Limited2008
- A.J.K. Gas Services Ltd2020
- Action Heating Cornwall Ltd2018
- CHG Adapt Limited2024
- Coast & Country Fires Limited2021
- Dean Hancock Plumbing & Heating Ltd2008
- Eco Dragon (South West) Ltd2012
- Exclusive Gas Ltd2020
All plumbing and heating companies in St Austell · All trades in St Austell · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smith & Son Plumbing Ltd's accounts due?
Smith & Son Plumbing Ltd's next accounts are due at Companies House by 24 June 2027 (in 254 days), covering the period to 30 September 2026.
When is Smith & Son 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 23 September 2026, due by 23 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smith & Son Plumbing Ltd still trading?
Smith & Son Plumbing Ltd 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 Smith & Son Plumbing Ltd do?
Smith & Son Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smith & Son Plumbing Ltd?
Smith & Son Plumbing Ltd was incorporated on 24 September 2025, 1 year ago.
What is the penalty if Smith & Son 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 Smith & Son Plumbing Ltd 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.