- Companies
- Plumbers and heating engineers
- Southall
- Smartech Plumbing and Heating Ltd
Smartech Plumbing and Heating Ltd
- Company number
- 10389411
- Incorporated
- 22 Sep 201610 years trading
- Registered office
- 11 Bankside, Southall, UB1 1NQ
- Nature of business
- Plumbing, heat and air-conditioning installation
Smartech Plumbing and Heating Ltd is a 10-year-old private limited company registered in Southall, company number 10389411, one of 60 plumbing and heating companies in Southall. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £5,366 (-25.7%) on the year before, to £16K.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £60K against £14K owed within a year: 4.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2017 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2024 | £16K | £60K | £14K | 2 | |
| 30 Sep 2023 | £21K | £59K | £11K | 2 | |
| 30 Sep 2022 | £3,042 | £37K | £4,340 | 1 | |
| 30 Sep 2021 | £10K | £32K | £372 | 1 | |
| 30 Sep 2020 | £1,374 | £1,305 | £2,679 | 0 | |
| 30 Sep 2019 | £501 | £1,425 | £924 | ||
| 30 Sep 2018 | £100 | £100 | |||
| 30 Sep 2017 | £100 | £100 |
Where Smartech Plumbing and Heating Ltd is registered
The registered office is in Southall (UB1), in the Ealing local authority area, London. Show UB1 1NQ on a map.
Other trade companies in UB1
- Kingsbury Roofing & Construction LtdRoofers
- T2Y LtdBuilders
- Driveworx LimitedMotor traders
- Raunak Design and Build LtdBuilders
- Phlo Plumbing & Heating LtdPlumbers and heating engineers
- Airpro Conditioning LimitedPlumbers and heating engineers
- Springfields Property LimitedProperty developers
- Sanndhu Construction UK LtdBuilders
Also registered at this address
1 other company uses the same registered office as Smartech Plumbing and Heating Ltd.
- Go-Green Energy Services LtdPlumbers and heating engineers
What happens if Smartech Plumbing and Heating Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 10389411
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 September 2016 (10 years ago)
- Registered office
- 11 Bankside, Southall, UB1 1NQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2024
- Last confirmation statement
- 27 October 2025
- Previous names
- Alpha Travel and Tours Ltd (until 15 Oct 2020)
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 Southall
Other active plumbing and heating companies registered in Southall.
- Spencers Plumbing and Heating Ltd2019
- Sunny.R Bathroom & Plumbing Ltd2023
- Swift Heating Services Ltd2014
- Systematic Gas Ltd2026
- TS Heating & Plumbing Ltd2020
- VSR Gas & Heating Ltd2024
- W5 Mep Services Ltd2022
- 3P'S Plumbing & Heating Ltd2016
All plumbing and heating companies in Southall · All trades in Southall · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smartech Plumbing and Heating Ltd's accounts due?
Smartech Plumbing and Heating Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Smartech Plumbing and Heating 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 30 September 2025, due by 30 September 2026, and one for the period to 31 December 2025, due by 31 December 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Smartech Plumbing and Heating Ltd still trading?
Smartech Plumbing and Heating 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 Smartech Plumbing and Heating Ltd do?
Smartech Plumbing and Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smartech Plumbing and Heating Ltd?
Smartech Plumbing and Heating Ltd was incorporated on 22 September 2016, 10 years ago.
What is the penalty if Smartech Plumbing and 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 Smartech Plumbing and Heating 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.