- Companies
- Electricians
- London
- Environ Audio Limited
Environ Audio Limited
- Company number
- 04593308
- Incorporated
- 18 Nov 200223 years trading
- Registered office
- Unit 1, Chester House 1 -3 Brixton Road, Kennington Park Business Centre, London, SW9 6DE
- Nature of business
- Electrical installation
Environ Audio Limited is a 23-year-old private limited company registered in London, company number 04593308, one of 3,448 electrical contractors in London. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 £569K (+53.9%) on the year before, to £1.6M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £4.1M against £2.1M owed within a year: 1.9 times cover.
- 24 employees on average, up from 23 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | £1.6M | £146K | £4.1M | £2.1M | 24 |
| 31 Dec 2023 | £1.1M | £86K | £3M | £1.6M | 23 |
| 31 Dec 2022 | £471K | £222K | £2.1M | £1.2M | 22 |
| 31 Dec 2021 | -£142K | £78K | £1.5M | £855K | 26 |
| 30 Nov 2020 | £88K | £56K | £1.2M | £605K | 26 |
| 30 Nov 2019 | £78K | £125K | £983K | £908K | 27 |
| 30 Nov 2018 | £324K | £6,588 | £1.3M | £1M | |
| 30 Nov 2017 | £317K | £6,241 | £868K | £552K | |
| 30 Nov 2016 | £281K | £102K | £954K | £675K | |
| 30 Nov 2015 | £281K | £213K | £982K | £703K |
Where Environ Audio Limited is registered
The registered office is in London (SW9), in the Lambeth local authority area, London. Show SW9 6DE on a map.
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What happens if Environ Audio Limited files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 04593308
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 November 2002 (23 years ago)
- Registered office
- Unit 1, Chester House 1 -3 Brixton Road, Kennington Park Business Centre, London, SW9 6DE
- 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 2024
- Last confirmation statement
- 25 September 2025
- Charges (mortgages)
- 1 outstanding of 4 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.
- Envisage Electrical Ltd2023
- Envy Electrical Limited2024
- Eo Electrix Ltd2023
- Epcido Ltd2019
- Epic Integration Ltd2012
- Epms London Ltd2023
- Eps Projects Ltd2022
- Epsom Electrical Contractors Limited2024
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Environ Audio Limited's accounts due?
Environ Audio Limited's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Environ Audio Limited's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Environ Audio Limited still trading?
Environ Audio Limited is listed as active on the Companies House register (checked 12 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 Environ Audio Limited do?
Environ Audio Limited is registered under Electrical installation (SIC 43210).
How old is Environ Audio Limited?
Environ Audio Limited was incorporated on 18 November 2002, 23 years ago.
What is the penalty if Environ Audio 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 Environ Audio Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.