- Companies
- Electricians
- Reading
- Thames Valley Energy Ltd
Thames Valley Energy Ltd
- Company number
- 17262743
- Incorporated
- 4 Jun 2026
- Registered office
- 9 Valley Close, Caversham, Reading, RG4 7QR
- Nature of business
- Electrical installation
Thames Valley Energy Ltd is a newly incorporated private limited company registered in Reading, company number 17262743, one of 176 electrical contractors in Reading. Its next accounts are due at Companies House on 4 March 2028, and its first CT600 is due at HMRC on 3 June 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.
Is this your company?
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Where Thames Valley Energy Ltd is registered
The registered office is in Reading (RG4), in the Reading local authority area, South East. Show RG4 7QR on a map.
Other trade companies in RG4
- Soma Garden LtdLandscapers and gardeners
- Katharos Cleaning Specialist LimitedCleaning companies
- Cosi Cool LtdPlumbers and heating engineers
- Hadley Home Renovations LimitedBuilders
- Ahmz Motor Group LtdMotor traders
- Green Workspaces LtdLandscapers and gardeners
- Nature Wipes LtdCleaning companies
- Dukes Conservation LimitedSpecialist contractors
What happens if Thames Valley Energy 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 4 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Mar 2028 to 4 Apr 2028 | £150 |
| 1 to 3 months late | 5 Apr 2028 to 4 Jun 2028 | £375 |
| 3 to 6 months late | 5 Jun 2028 to 4 Sep 2028 | £750 |
| More than 6 months late | From 5 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 17262743
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 June 2026
- Registered office
- 9 Valley Close, Caversham, Reading, RG4 7QR
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (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 Reading
Other active electrical contractors registered in Reading.
- Thames Valley Renewables Limited2024
- The Oxford Sash Window Company Limited2002
- The Renergie Company Ltd2023
- Tilehurst Electrical Services Ltd2024
- Total Illumination Ltd2010
- Triangle Electrical Ltd2021
- TW Electrical Services (Berkshire) Ltd2020
- U-Connect Electrical Limited2008
All electrical contractors in Reading · All trades in Reading · Electricians across the UK
Frequently asked questions
When are Thames Valley Energy Ltd's accounts due?
Thames Valley Energy Ltd's next accounts are due at Companies House by 4 March 2028 (in 508 days), covering the period to 30 June 2027.
When is Thames Valley Energy Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 3 June 2027, due by 3 June 2028, and one for the period to 30 June 2027, due by 30 June 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Thames Valley Energy Ltd still trading?
Thames Valley Energy 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 Thames Valley Energy Ltd do?
Thames Valley Energy Ltd is registered under Electrical installation (SIC 43210).
How old is Thames Valley Energy Ltd?
Thames Valley Energy Ltd was incorporated on 4 June 2026, less than a year ago.
What is the penalty if Thames Valley Energy 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 Thames Valley Energy 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.