- Companies
- Plumbers and heating engineers
- St Asaph
- Hydro Plumbing & Heating Ltd
Hydro Plumbing & Heating Ltd
- Company number
- 13609909
- Incorporated
- 8 Sep 20215 years trading
- Registered office
- Unit 32, ST. Asaph Business Park, St Asaph, LL17 0JA
- Nature of business
- Plumbing, heat and air-conditioning installation
Hydro Plumbing & Heating Ltd is a 5-year-old private limited company registered in St Asaph, company number 13609909, one of 10 plumbing and heating companies in St Asaph. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £68K (+790%) on the year before, to £77K.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £127K against £73K owed within a year: 1.7 times cover.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | £77K | £49K | £127K | £73K | 3 |
| 30 Sep 2024 | £8,610 | £11K | £30K | £26K | 2 |
| 30 Sep 2023 | £14K | £15K | £32K | £24K | 2 |
| 30 Sep 2022 | £2,817 | £5,841 | £14K | £17K | 2 |
Where Hydro Plumbing & Heating Ltd is registered
The registered office is in St Asaph (LL17), in the Denbighshire local authority area, Wales. Show LL17 0JA on a map.
Other trade companies in LL17
- Neil's Wheels Tyre Services LtdMechanics and garages
- Baxter H&S LtdCivil engineering
- Corefortress Data Ltd.Civil engineering
- SSX Construction LtdBuilders
- Rotorix LtdCleaning companies
- Gwyn Evans CVR LimitedMechanics and garages
- Spencer Civils LimitedCivil engineering
- Optimal Home Clean LtdCleaning companies
Shared registered office
76 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Hydro 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £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
- 13609909
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 September 2021 (5 years ago)
- Registered office
- Unit 32, ST. Asaph Business Park, St Asaph, LL17 0JA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 7 September 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 St Asaph
Other active plumbing and heating companies registered in St Asaph.
- J Williams Plumbing and Heating Limited2019
- KHS Group Ltd2016
- N W Biomass Ltd2015
- Renewable Green Energy Limited2021
- A. Jones & Son (Gas Services) Limited2006
- Antworx Ltd2022
- Chris Allen Plumbing & Heating Limited2013
- Excel Bathroom Solutions Ltd2025
All plumbing and heating companies in St Asaph · All trades in St Asaph · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hydro Plumbing & Heating Ltd's accounts due?
Hydro Plumbing & Heating Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Hydro Plumbing & Heating Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Hydro Plumbing & Heating Ltd still trading?
Hydro 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 Hydro Plumbing & Heating Ltd do?
Hydro Plumbing & Heating Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hydro Plumbing & Heating Ltd?
Hydro Plumbing & Heating Ltd was incorporated on 8 September 2021, 5 years ago.
What is the penalty if Hydro 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 Hydro 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.