- Companies
- Electricians
- Beaconsfield
- Chiltern Security Ltd
Chiltern Security Ltd
- Company number
- 16399490
- Incorporated
- 22 Apr 20251 year trading
- Registered office
- Kingshead House, 15 London End, Beaconsfield, HP9 2HN
- Nature of business
- Electrical installation
Chiltern Security Ltd is a 1-year-old private limited company registered in Beaconsfield, company number 16399490, one of 10 electrical contractors in Beaconsfield. Its next accounts are due at Companies House on 22 January 2027, and its first CT600 is due at HMRC on 21 April 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 Chiltern Security Ltd is registered
The registered office is in Beaconsfield (HP9), in the Buckinghamshire local authority area, South East. Show HP9 2HN on a map.
Other trade companies in HP9
- 8Square Group LimitedMotor traders
- Word & Deed Services LimitedCleaning companies
- Lumensite LtdMachinery repair and installation
- Daniel Gosling 32 LtdProperty developers
- Chiltern Energy Group LtdElectricians
- Sle Builder LtdFinishing trades
- Hde Construction LtdProperty developers
- UK Roofing Group LtdRoofers
Also registered at this address
3 other companies use the same registered office as Chiltern Security Ltd.
- Chiltern Energy Group LtdElectricians
- R2V Windscreens LtdGlaziers
- Woodbridge Developments LtdProperty developers
What happens if Chiltern 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 22 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 23 Jan 2027 to 22 Feb 2027 | £150 |
| 1 to 3 months late | 23 Feb 2027 to 22 Apr 2027 | £375 |
| 3 to 6 months late | 23 Apr 2027 to 22 Jul 2027 | £750 |
| More than 6 months late | From 23 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 16399490
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 April 2025 (1 year ago)
- Registered office
- Kingshead House, 15 London End, Beaconsfield, HP9 2HN
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 21 April 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 Beaconsfield
Other active electrical contractors registered in Beaconsfield.
- Home Installations Limited1988
- Jack C Williams Limited2012
- Lewis & Arnold Limited2011
- Matters Group Ltd2016
- Priority Electrical Lka Ltd2025
- Res Controls Ltd2019
- South Bucks Electrical Ltd2024
- Vertec Electrical Limited2016
All electrical contractors in Beaconsfield · All trades in Beaconsfield · Electricians across the UK
Frequently asked questions
When are Chiltern Security Ltd's accounts due?
Chiltern Security Ltd's next accounts are due at Companies House by 22 January 2027 (in 102 days), covering the period to 30 April 2026.
When is Chiltern 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 21 April 2026, due by 21 April 2027, and one for the period to 30 April 2026, due by 30 April 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Chiltern Security Ltd still trading?
Chiltern 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 Chiltern Security Ltd do?
Chiltern Security Ltd is registered under Electrical installation (SIC 43210).
How old is Chiltern Security Ltd?
Chiltern Security Ltd was incorporated on 22 April 2025, 1 year ago.
What is the penalty if Chiltern 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 Chiltern 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.