- Companies
- Electricians
- Hornchurch
- Castle Fire & Security Ltd
Castle Fire & Security Ltd
- Company number
- 16635493
- Incorporated
- 7 Aug 20251 year trading
- Registered office
- 79 Wingletye Lane, Hornchurch, Essex, RM11 3AT
- Nature of business
- Electrical installation
Castle Fire & Security Ltd is a 1-year-old private limited company registered in Hornchurch, company number 16635493, one of 121 electrical contractors in Hornchurch. Its next accounts are due at Companies House on 7 May 2027, and its first CT600 is due at HMRC on 6 August 2027.
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 Castle Fire & Security Ltd is registered
The registered office is in Hornchurch (RM11), in the Havering local authority area, London. Show RM11 3AT on a map.
Other trade companies in RM11
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- Divexa LtdInstallers
- Kurdos Cars LtdMotor traders
- WZKM Services LtdFinishing trades
- Shad’S Development Ltd LtdBuilders
- JHT Solutions LimitedSpecialist contractors
- Carpet Fitter London LtdFloor and wall tilers
- Ell Tek Solutions LimitedMachinery repair and installation
Shared registered office
29 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Castle Fire & Security 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 7 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 May 2027 to 7 Jun 2027 | £150 |
| 1 to 3 months late | 8 Jun 2027 to 7 Aug 2027 | £375 |
| 3 to 6 months late | 8 Aug 2027 to 7 Nov 2027 | £750 |
| More than 6 months late | From 8 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16635493
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 August 2025 (1 year ago)
- Registered office
- 79 Wingletye Lane, Hornchurch, Essex, RM11 3AT
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 August 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 in Hornchurch
Other active electrical contractors registered in Hornchurch.
- CB Electrical Limited2014
- CCH Electrical Services Limited2025
- Choice Electrical Contractors Ltd2016
- Clanmor Ltd2012
- CTS Electrical Contractors Ltd2019
- D & B Technical Systems Limited2003
- D G B Moreton Electrical Ltd2014
- D S Electrical Services UK Limited2006
All electrical contractors in Hornchurch · All trades in Hornchurch · Electricians across the UK
Frequently asked questions
When are Castle Fire & Security Ltd's accounts due?
Castle Fire & Security Ltd's next accounts are due at Companies House by 7 May 2027 (in 207 days), covering the period to 31 August 2026.
When is Castle Fire & Security 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 6 August 2026, due by 6 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Castle Fire & Security Ltd still trading?
Castle Fire & Security 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 Castle Fire & Security Ltd do?
Castle Fire & Security Ltd is registered under Electrical installation (SIC 43210).
How old is Castle Fire & Security Ltd?
Castle Fire & Security Ltd was incorporated on 7 August 2025, 1 year ago.
What is the penalty if Castle Fire & Security 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 Castle Fire & Security 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.