- Companies
- Electricians
- High Wycombe
- Eht Alarms Limited
Eht Alarms Limited
- Company number
- 11183566
- Incorporated
- 2 Feb 20188 years trading
- Registered office
- 12 Five Acre Wood, High Wycombe, HP12 4LD
- Nature of business
- Electrical installation
Eht Alarms Limited is a 8-year-old private limited company registered in High Wycombe, company number 11183566, one of 123 electrical contractors in High Wycombe. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £12K (-72.4%) on the year before, to £4,524.
- Net assets rose in 1 of 6 year-on-year comparisons on record.
- Current assets of £40K against £23K owed within a year: 1.7 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £4,524 | £40K | £23K | 2 | |
| 28 Feb 2024 | £16K | £39K | £30K | 2 | |
| 28 Feb 2023 | £100 | £85K | £53K | 2 | |
| 28 Feb 2022 | £100 | £64K | £23K | 1 | |
| 28 Feb 2021 | £100 | £76K | £21K | 1 | |
| 28 Feb 2020 | £101 | £36K | £18K | 1 | |
| 28 Feb 2019 | £272 | £29K | £6,032 |
Where Eht Alarms Limited is registered
The registered office is in High Wycombe (HP12), in the Buckinghamshire local authority area, South East. Show HP12 4LD on a map.
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What happens if Eht Alarms 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11183566
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2018 (8 years ago)
- Registered office
- 12 Five Acre Wood, High Wycombe, HP12 4LD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 31 January 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 High Wycombe
Other active electrical contractors registered in High Wycombe.
- Eighty Eighty Services Limited2026
- El'syira A'marla Ltd2024
- Electrical & Automation Solutions Limited2022
- Electrician Near Me Limited2020
- Electricianz Limited2026
- Electriline Ltd2025
- Emvolve Ltd2020
- Esl Electrical Solutions Ltd2014
All electrical contractors in High Wycombe · All trades in High Wycombe · Electricians across the UK
Frequently asked questions
When are Eht Alarms Limited's accounts due?
Eht Alarms Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Eht Alarms Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is Eht Alarms Limited still trading?
Eht Alarms 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 Eht Alarms Limited do?
Eht Alarms Limited is registered under Electrical installation (SIC 43210).
How old is Eht Alarms Limited?
Eht Alarms Limited was incorporated on 2 February 2018, 8 years ago.
What is the penalty if Eht Alarms 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 Eht Alarms 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.