- Companies
- Plumbers and heating engineers
- Carshalton
- Hydren Group Ltd
Hydren Group Ltd
- Company number
- 16418722
- Incorporated
- 29 Apr 20251 year trading
- Registered office
- 112 West Street, Carshalton, SM5 2NR
- Nature of business
- Plumbing, heat and air-conditioning installation; Other specialised construction activities n.e.c.
Hydren Group Ltd is a 1-year-old private limited company registered in Carshalton, company number 16418722, one of 35 plumbing and heating companies in Carshalton. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Who runs and owns Hydren Group Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** A*** | Director | Apr 2025 |
Person with significant control
Where Hydren Group Ltd is registered
The registered office is in Carshalton (SM5), in the Sutton local authority area, London. Show SM5 2NR on a map.
Other trade companies in SM5
- Rich Detailz LtdMechanics and garages
- Sutton Motor and Garage LtdMechanics and garages
- Ecobuild Plumbing & Heating LtdPlumbers and heating engineers
- Aaircon Services LtdPlumbers and heating engineers
- Perthy Properties (Greenhills) LimitedProperty developers
- Jophp LimitedCleaning companies
- Pro-Type Roofing LtdRoofers
- Mic Cleaning LimitedCleaning companies
What happens if Hydren Group 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 16418722
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 April 2025 (1 year ago)
- Registered office
- 112 West Street, Carshalton, SM5 2NR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 5 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 Carshalton
Other active plumbing and heating companies registered in Carshalton.
- JDG Mechanical Limited2024
- KNK Engineering Services Ltd2025
- Lambert Heating and Renewables Ltd2013
- London Pipefitting Limited2019
- MHP Surrey Ltd2015
- Osm Pipework Ltd2023
- P&G Heating and Plumbing Ltd2020
- Partridge Heating &Plumbing Ltd2026
All plumbing and heating companies in Carshalton · All trades in Carshalton · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hydren Group Ltd's accounts due?
Hydren Group Ltd's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Hydren Group Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Hydren Group Ltd still trading?
Hydren Group 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 Hydren Group Ltd do?
Hydren Group Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other specialised construction activities n.e.c. (SIC 43999).
How old is Hydren Group Ltd?
Hydren Group Ltd was incorporated on 29 April 2025, 1 year ago.
Who runs Hydren Group Ltd?
Hydren Group Ltd has 1 active director, the longest-serving appointed in Apr 2025. Their names and service addresses are on the Companies House register.
Who owns Hydren Group Ltd?
One person or company has significant control of Hydren Group Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Hydren Group 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 Hydren Group 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.