- Companies
- Electricians
- Castro Electrics Ltd
Castro Electrics Ltd
- Company number
- 16251475
- Incorporated
- 13 Feb 20251 year trading
- Registered office
- 5 Maybury Close, Burgh Heath, Tadworth, KT20 6BZ
- Nature of business
- Electrical installation; Other building completion and finishing
Castro Electrics Ltd is a 1-year-old private limited company registered in Burgh Heath, company number 16251475, one of the UK's electrical contractors. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Castro Electrics LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Financial snapshot, 2026
From the balance sheet at 31 March 2026, as filed at Companies House.
Where Castro Electrics Ltd is registered
The registered office is in Burgh Heath (KT20), in the Reigate and Banstead local authority area, South East. Show KT20 6BZ on a map.
Other trade companies in KT20
- Reigate Cooling LtdPlumbers and heating engineers
- Oakley Homes (Cheam) LimitedProperty developers
- M.E Building Services (Surrey) LtdFinishing trades
- Solluxia LtdCleaning companies
- Greenpoint Gardening Care LimitedLandscapers and gardeners
- DC Fencing & Landscaping Group LtdLandscapers and gardeners
- Apj Heating & Plumbing LimitedPlumbers and heating engineers
- Oak and Flint LimitedBuilders
What happens if Castro Electrics 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
- 16251475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 February 2025 (1 year ago)
- Registered office
- 5 Maybury Close, Burgh Heath, Tadworth, KT20 6BZ
- Nature of business
- Electrical installation (SIC 43210)
Other building completion and finishing (SIC 43390) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 12 February 2026
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
Other active electrical contractors.
Frequently asked questions
When are Castro Electrics Ltd's accounts due?
Castro Electrics 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 Castro Electrics 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 Castro Electrics Ltd still trading?
Castro Electrics 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 Castro Electrics Ltd do?
Castro Electrics Ltd is registered under Electrical installation (SIC 43210); Other building completion and finishing (SIC 43390).
How old is Castro Electrics Ltd?
Castro Electrics Ltd was incorporated on 13 February 2025, 1 year ago.
What is the penalty if Castro Electrics 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 Castro Electrics 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.