- Companies
- Electricians
- Maidenhead
- Hampstead Hydro Limited
Hampstead Hydro Limited
- Company number
- 17350068
- Incorporated
- 20 Jul 2026
- Registered office
- One, ST. Peters Road, Maidenhead, SL6 7QU
- Nature of business
- Electrical installation
Hampstead Hydro Limited is a newly incorporated private limited company registered in Maidenhead, company number 17350068, one of 62 electrical contractors in Maidenhead. Its next accounts are due at Companies House on 20 April 2028, and its first CT600 is due at HMRC on 19 July 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Hampstead Hydro Limited is registered
The registered office is in Maidenhead (SL6), in the Windsor and Maidenhead local authority area, South East. Show SL6 7QU on a map.
Other trade companies in SL6
- B&M Cleaning Solutions LtdCleaning companies
- CC Garden Builds LtdBuilders
- Austin Groundwork Surfaces LimitedGroundworks and demolition
- Woodnest Interiors LtdJoiners and carpenters
- Carizmatic Company LimitedMotor traders
- Sakura Electrical LtdElectricians
- Elite Autos & Tyres LtdMotor traders
- Bigfrith End LtdSpecialist contractors
Also registered at this address
22 other companies use the same registered office as Hampstead Hydro Limited.
- A4 Electrical Services LtdElectricians
- Apex Design & Construction LimitedSpecialist contractors
- Apex Services Group LimitedSpecialist contractors
- Art Flooring Services LtdFloor and wall tilers
- Bristow Construction LtdInstallers
- BSC Supplies LtdMotor traders
- DPC Refinish LtdMotor traders
- Eaton Socon Hydro LimitedElectricians
- Esser Works Racing LimitedMechanics and garages
- Exceed Electrical LtdElectricians
- F M S Facilities Management Services LtdFacilities management
- Farrell Electrical LimitedElectricians
- Gareth Egarr Builders LimitedBuilders
- Greene Construction Solutions LtdCivil engineering
- L R Garden Maintenance LtdLandscapers and gardeners
- Maid at Home LimitedCleaning companies
- MJD Carpentry LimitedJoiners and carpenters
- Mod Home Improvements LtdFinishing trades
- Reflections Cleaning Services LimitedCleaning companies
- Renova8 LtdBuilders
- Twyford Tractors LtdMachinery repair and installation
- Walkertech Cars LimitedMechanics and garages
What happens if Hampstead Hydro 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 20 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Apr 2028 to 20 May 2028 | £150 |
| 1 to 3 months late | 21 May 2028 to 20 Jul 2028 | £375 |
| 3 to 6 months late | 21 Jul 2028 to 20 Oct 2028 | £750 |
| More than 6 months late | From 21 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 17350068
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 July 2026
- Registered office
- One, ST. Peters Road, Maidenhead, SL6 7QU
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Maidenhead
Other active electrical contractors registered in Maidenhead.
- Hester & Harber Limited2021
- Infinity Electrical Innovations Limited2021
- James Electrical Installation Services Limited2023
- K Matthews & Sons Limited2012
- L Godfrey Services Ltd2021
- Maidenhead Electrical Ltd2015
- Mast Electrical Ltd2020
- MJL Electrical Installations Ltd2008
All electrical contractors in Maidenhead · All trades in Maidenhead · Electricians across the UK
Frequently asked questions
When are Hampstead Hydro Limited's accounts due?
Hampstead Hydro Limited's next accounts are due at Companies House by 20 April 2028 (in 555 days), covering the period to 31 July 2027.
When is Hampstead Hydro Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 19 July 2027, due by 19 July 2028, and one for the period to 31 July 2027, due by 31 July 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Hampstead Hydro Limited still trading?
Hampstead Hydro 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 Hampstead Hydro Limited do?
Hampstead Hydro Limited is registered under Electrical installation (SIC 43210).
How old is Hampstead Hydro Limited?
Hampstead Hydro Limited was incorporated on 20 July 2026, less than a year ago.
What is the penalty if Hampstead Hydro 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 Hampstead Hydro 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.