- Companies
- Electricians
- Bangor
- North Down Security Installations Ltd
North Down Security Installations Ltd
- Company number
- NI667259
- Incorporated
- 27 Jan 20206 years trading
- Registered office
- 15 15 Helens Wood View, Bangor, BT19 1GG
- Nature of business
- Electrical installation
North Down Security Installations Ltd is a 6-year-old private limited company registered in Bangor, company number NI667259, one of 34 electrical contractors in Bangor. 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.
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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 up £15K (+86.3%) on the year before, to £33K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £25K against £1,933 owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £33K | £25K | £1,933 | 1 | |
| 31 Mar 2025 | £18K | £13K | £6,509 | 1 | |
| 31 Jan 2024 | £1 | £1 | 0 | ||
| 31 Jan 2023 | £1 | £1 | 0 | ||
| 31 Jan 2022 | £1 | £1 | 0 | ||
| 31 Jan 2021 | £1 | £1 | 0 | ||
| 31 Jan 2020 | £0 | £0 | 0 |
Where North Down Security Installations Ltd is registered
The registered office is in Bangor (BT19), in the Ards and North Down local authority area, Northern Ireland. Show BT19 1GG on a map.
Other trade companies in BT19
- Snowfoam LtdCleaning companies
- Collins Mep UK LtdElectricians
- KS Roofing & Property Maintenance LtdRoofers
- JMS Coach Hill Motors LtdMotor traders
- MRS Mop Cleaning Services LtdCleaning companies
- 2Jzgte LtdMotor traders
- JP Security & Electrical LtdElectricians
- GLS Property Care LtdFinishing trades
What happens if North Down Security Installations 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
- NI667259
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2020 (6 years ago)
- Registered office
- 15 15 Helens Wood View, Bangor, BT19 1GG
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 29 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 Bangor
Other active electrical contractors registered in Bangor.
- Orets Limited2023
- Owen & Palmer Limited1973
- Patrick Roche Limited2012
- Paul Edwards Electrical Limited2025
- Rba Electrical Engineering Ltd2025
- Solutions for Systems Ltd2018
- Svi Digital Systems Limited2021
- Svi Media Ltd2021
All electrical contractors in Bangor · All trades in Bangor · Electricians across the UK
Frequently asked questions
When are North Down Security Installations Ltd's accounts due?
North Down Security Installations 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 North Down Security Installations 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 North Down Security Installations Ltd still trading?
North Down Security Installations 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 North Down Security Installations Ltd do?
North Down Security Installations Ltd is registered under Electrical installation (SIC 43210).
How old is North Down Security Installations Ltd?
North Down Security Installations Ltd was incorporated on 27 January 2020, 6 years ago.
What is the penalty if North Down Security Installations 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 North Down Security Installations 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.