- Companies
- Installers
- Blaydon-on-Tyne
- Custom Electronic Fire & Security Limited
Custom Electronic Fire & Security Limited
- Company number
- 03715151
- Incorporated
- 18 Feb 199927 years trading
- Registered office
- Unit 2A, Cowen Road, Blaydon-on-Tyne, NE21 5TW
- Nature of business
- Other construction installation
Custom Electronic Fire & Security Limited is a 27-year-old private limited company registered in Blaydon-on-Tyne, company number 03715151, one of 7 installation companies (insulation, lifts, shutters and similar) in Blaydon-on-Tyne. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £282K (+103.5%) on the year before, to £555K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £638K against £94K owed within a year: 6.8 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 10 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £555K | £638K | £94K | 2 | |
| 30 Nov 2024 | £273K | £371K | £99K | 1 | |
| 29 Feb 2024 | £171K | £276K | £94K | 4 | |
| 28 Feb 2024 | £171K | £277K | £94K | 4 | |
| 28 Feb 2023 | £59K | £164K | £89K | 7 | |
| 28 Feb 2022 | £104K | £226K | £102K | 7 | |
| 28 Feb 2021 | £35K | £127K | £69K | 7 | |
| 28 Feb 2020 | £15K | £90K | £82K | 7 | |
| 28 Feb 2019 | £15K | £99K | £93K | ||
| 28 Feb 2018 | £18K | £72K | £64K |
Where Custom Electronic Fire & Security Limited is registered
The registered office is in Blaydon-on-Tyne (NE21), in the Gateshead local authority area, North East. Show NE21 5TW on a map.
Other trade companies in NE21
- Blue Whippet Heating LtdPlumbers and heating engineers
- Kane Enterprises LtdBuilders
- Labourn Groundworks LimitedCivil engineering
- Hanover Car Sales LtdMotor traders
- MRS Zaib Nisa LimitedMotor traders
- Murph Made Joinery LtdJoiners and carpenters
- Crisp Roofing Solutions LtdRoofers
- Sunderland Roofer LtdRoofers
What happens if Custom Electronic Fire & Security 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 03715151
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 February 1999 (27 years ago)
- Registered office
- Unit 2A, Cowen Road, Blaydon-on-Tyne, NE21 5TW
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 12 January 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Blaydon-on-Tyne
Other active installation companies (insulation, lifts, shutters and similar) registered in Blaydon-on-Tyne.
- Dave Mullen Contract Brickwork Ltd2024
- DSH Bathrooms Ltd2024
- HRÓKR Ltd2026
- Jace.Access Ltd2026
- Northeast Damp Control Ltd2026
- Blaydon Bathroom Electricals Limited2022
All installation companies (insulation, lifts, shutters and similar) in Blaydon-on-Tyne · All trades in Blaydon-on-Tyne · Installers across the UK
Frequently asked questions
When are Custom Electronic Fire & Security Limited's accounts due?
Custom Electronic Fire & Security Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Custom Electronic Fire & Security Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Custom Electronic Fire & Security Limited still trading?
Custom Electronic Fire & Security 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 Custom Electronic Fire & Security Limited do?
Custom Electronic Fire & Security Limited is registered under Other construction installation (SIC 43290).
How old is Custom Electronic Fire & Security Limited?
Custom Electronic Fire & Security Limited was incorporated on 18 February 1999, 27 years ago.
What is the penalty if Custom Electronic Fire & Security 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 Custom Electronic Fire & Security 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.