- Companies
- Plumbers and heating engineers
- Hydra-Flow Mechanical Limited
Hydra-Flow Mechanical Limited
- Company number
- 15811504
- Incorporated
- 1 Jul 20242 years trading
- Registered office
- The Coach House Unit 42 the Coach House Unit 42, ST Marys Business Centre 66-70 Bourne Road, Bexley Kent, Kent, DA5 1LU
- Nature of business
- Plumbing, heat and air-conditioning installation
Hydra-Flow Mechanical Limited is a 2-year-old private limited company registered in Bexley Kent, company number 15811504, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Where Hydra-Flow Mechanical Limited is registered
The registered office is in Bexley Kent (DA5), in the Bexley local authority area, London. Show DA5 1LU on a map.
Other trade companies in DA5
- Homeheat+ LtdPlumbers and heating engineers
- Apex South West Construction LtdBuilders
- E & F Surfacing & Construction LtdSpecialist contractors
- T&R Cleaning Services LtdCleaning companies
- Paul C Jordan LimitedBuilders
- SX Plumbing LimitedPlumbers and heating engineers
- Rennell Interiors LtdJoiners and carpenters
- Ravenford Planning LtdProperty developers
Also registered at this address
4 other companies use the same registered office as Hydra-Flow Mechanical Limited.
- Alfred the Great Pest Control LtdCleaning companies
- Premier Gas Solutions LtdPlumbers and heating engineers
- Taylor Plastering LimitedPlasterers
- Tidy Pipes LimitedPlumbers and heating engineers
What happens if Hydra-Flow Mechanical 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15811504
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 July 2024 (2 years ago)
- Registered office
- The Coach House Unit 42 the Coach House Unit 42, ST Marys Business Centre 66-70 Bourne Road, Bexley Kent, Kent, DA5 1LU
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 30 June 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
Other active plumbing and heating companies.
Frequently asked questions
When are Hydra-Flow Mechanical Limited's accounts due?
Hydra-Flow Mechanical Limited's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Hydra-Flow Mechanical Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Hydra-Flow Mechanical Limited still trading?
Hydra-Flow Mechanical 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 Hydra-Flow Mechanical Limited do?
Hydra-Flow Mechanical Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hydra-Flow Mechanical Limited?
Hydra-Flow Mechanical Limited was incorporated on 1 July 2024, 2 years ago.
What is the penalty if Hydra-Flow Mechanical 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 Hydra-Flow Mechanical 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.