- Companies
- Electricians
- London
- Arena Fire and Security London Ltd
Arena Fire and Security London Ltd
- Company number
- 12344778
- Incorporated
- 2 Dec 20196 years trading
- Registered office
- 940 Green Lanes, London, N21 2AD
- Nature of business
- Electrical installation
Arena Fire and Security London Ltd is a 6-year-old private limited company registered in London, company number 12344778, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Arena Fire and Security London LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £170K (+271.4%) on the year before, to £232K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £1.2M against £934K owed within a year: 1.2 times cover.
- 2 employees on average, down from 4 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £232K | £5,081 | £1.2M | £934K | 2 |
| 31 Dec 2024 | £63K | £5,134 | £668K | £605K | 4 |
| 31 Dec 2023 | £49K | £13K | £447K | £377K | 4 |
| 31 Dec 2022 | £42K | £20K | £734K | £647K | 1 |
| 31 Dec 2021 | £71K | £92K | £266K | £125K | 0 |
| 31 Dec 2020 | £50K | £247K | £306K | £256K | 1 |
Where Arena Fire and Security London Ltd is registered
The registered office is in London (N21), in the Enfield local authority area, London. Show N21 2AD on a map.
Other trade companies in N21
- Churchill Bespoke Tailors LtdRepair services
- Art of Tiling LtdBuilders
- Profinix LimitedBuilders
- Bleachy LimitedCleaning companies
- PP Carpentry LtdBuilders
- 6 Bourne Hill LtdMechanics and garages
- Empire Assessments NVQS LtdSpecialist contractors
- Emergency Sparkz LtdElectricians
Also registered at this address
18 other companies use the same registered office as Arena Fire and Security London Ltd.
- Actus Construction LimitedInstallers
- Appleshaw LimitedProperty developers
- Arena Electrical Services LimitedElectricians
- At Building (London) LtdProperty developers
- Batmatic (UK) LtdSpecialist contractors
- Blue Time LimitedProperty developers
- Brentwood RD Vehicle Repairs LtdMechanics and garages
- Haytor Flooring LimitedFloor and wall tilers
- Humphrys Maintenance Services LtdSpecialist contractors
- Marriott Finishes LtdPainters and decorators
- Mini Piling & Civils LimitedSpecialist contractors
- Paragas Cleaning Services LtdCleaning companies
- Pure Heating Water LtdPlumbers and heating engineers
- RLJ Civil Engineering LtdCivil engineering
- Skye Building Contractors LimitedFinishing trades
- Victoria RD Service Centre LtdMechanics and garages
- Winchmore Brickwork Group LtdSpecialist contractors
- Winchmore Brickwork LimitedSpecialist contractors
What happens if Arena Fire and Security London 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12344778
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 December 2019 (6 years ago)
- Registered office
- 940 Green Lanes, London, N21 2AD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 1 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
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 London
Other active electrical contractors registered in London.
- Arg Design & Build Construction Ltd2025
- Arg Engineering Services Ltd2021
- Ari Electrical Services Limited2019
- Arian Electrical Ltd2026
- Arista Electrical & Security Ltd2024
- Arkaid Ltd2025
- Arm Electrical Construction Limited2024
- Arrk Contractors Ltd2022
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Arena Fire and Security London Ltd's accounts due?
Arena Fire and Security London Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is Arena Fire and Security London Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Arena Fire and Security London Ltd still trading?
Arena Fire and Security London 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 Arena Fire and Security London Ltd do?
Arena Fire and Security London Ltd is registered under Electrical installation (SIC 43210).
How old is Arena Fire and Security London Ltd?
Arena Fire and Security London Ltd was incorporated on 2 December 2019, 6 years ago.
What is the penalty if Arena Fire and Security London 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 Arena Fire and Security London 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.