- Companies
- Plumbers and heating engineers
- Barnet
- Smooth Water Limited
Smooth Water Limited
- Company number
- 09650051
- Incorporated
- 22 Jun 201511 years trading
- Registered office
- C/O Modhas Accounting Services Limited 165 High Street, 2H Highstone House Business Centre, Barnet, Hertfordshire, EN5 5SU
- Nature of business
- Plumbing, heat and air-conditioning installation
Smooth Water Limited is a 11-year-old private limited company registered in Barnet, company number 09650051, one of 75 plumbing and heating companies in Barnet. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
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 up £1,341 on the year before, to £1,388.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £13K against £11K owed within a year: 1.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1,388 | £13K | £11K | 1 | |
| 30 Jun 2024 | £47 | £20K | £17K | 1 | |
| 30 Jun 2023 | -£6,719 | £5,735 | £8,298 | 1 | |
| 30 Jun 2022 | £745 | £18K | £12K | 1 | |
| 30 Jun 2021 | -£4,707 | £7,799 | £1,058 | 1 | |
| 30 Jun 2020 | £4,804 | £3,705 | £3,637 | 1 | |
| 30 Jun 2019 | £4,351 | £1,139 | £3,103 | ||
| 30 Jun 2018 | £7,502 | £2,851 | £3,769 | ||
| 30 Jun 2017 | £13K | £3,433 | £2,086 | ||
| 29 Jun 2017 | £13K | £3,433 | £2,086 |
Where Smooth Water Limited is registered
The registered office is in Barnet (EN5), in the Barnet local authority area, London. Show EN5 5SU on a map.
Other trade companies in EN5
- Paysa Gas LtdPlumbers and heating engineers
- Greatway Business LtdInstallers
- Je Mobile Tyres LtdMechanics and garages
- Barnet Air LtdPlumbers and heating engineers
- Hutch Electrical LtdElectricians
- Nexflow Mechanical LtdSpecialist contractors
- A J Plant LtdMotor traders
- Plumbing365 LtdPlumbers and heating engineers
Also registered at this address
1 other company uses the same registered office as Smooth Water Limited.
- F A Handyman LimitedFinishing trades
What happens if Smooth Water 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 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
- 09650051
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 June 2015 (11 years ago)
- Registered office
- C/O Modhas Accounting Services Limited 165 High Street, 2H Highstone House Business Centre, Barnet, Hertfordshire, EN5 5SU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 5 February 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 Barnet
Other active plumbing and heating companies registered in Barnet.
- Switched on Renewable Energy Networks (UK & Ireland) Limited2012
- Theo Plumbing and Heating Solutions Ltd2026
- Trust Your Plumber Ltd2021
- UK Gas Logics Limited2016
- Windows Repair Land Ltd2023
- A&B Mechanical Services Limited2007
- Aa Plumbing Services Ltd2016
- Abcplumbing Ltd2025
All plumbing and heating companies in Barnet · All trades in Barnet · Plumbers and heating engineers across the UK
Frequently asked questions
When are Smooth Water Limited's accounts due?
Smooth Water Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Smooth Water Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Smooth Water Limited still trading?
Smooth Water 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 Smooth Water Limited do?
Smooth Water Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Smooth Water Limited?
Smooth Water Limited was incorporated on 22 June 2015, 11 years ago.
What is the penalty if Smooth Water 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 Smooth Water 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.