- Companies
- Electricians
- London
- Tone Control Av Ltd
Tone Control Av Ltd
- Company number
- 12233150
- Incorporated
- 30 Sep 20197 years trading
- Registered office
- 4TH Floor, 18 ST Cross Street, London, EC1N 8UN
- Nature of business
- Electrical installation; Repair of consumer electronics
Tone Control Av Ltd is a 7-year-old private limited company registered in London, company number 12233150, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 down £685 (-22.4%) on the year before, to £2,370.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £2,370 | £5,674 | £3,304 | 1 | |
| 30 Sep 2024 | £3,055 | £567 | £1,492 | 1 | |
| 30 Sep 2023 | £2,881 | £657 | £5,736 | 1 | |
| 30 Sep 2022 | £5,412 | £673 | £7,201 | 1 | |
| 30 Sep 2021 | £1,230 | £4,111 | £19K | 1 | |
| 30 Sep 2020 | £292 | £1,421 | £1,129 | 1 |
Where Tone Control Av Ltd is registered
The registered office is in London (EC1N), in the Camden local authority area, London. Show EC1N 8UN on a map.
Other trade companies in EC1N
- Badalyan Estate LtdProperty developers
- Firestone Chimney Care LimitedCleaning companies
- Umbrella Conglomorate LimitedProperty developers
- Swinley Interiors LtdInstallers
- Ralav Construction LtdProperty developers
- BK Jewellery Workshop LtdRepair services
- Dwell Build Ltd LtdBuilders
- Reds Electrical LtdElectricians
Also registered at this address
16 other companies use the same registered office as Tone Control Av Ltd.
- Advanced MP Plumbing & Heating LtdPlumbers and heating engineers
- Britco Distribution Services LimitedMotor traders
- Grand Plumbing Solutions LtdElectricians
- Guardian Pest Management LtdCleaning companies
- Hastings Plumbing & Heating LtdPlumbers and heating engineers
- O-Zone Construction LimitedInstallers
- Premier Global Networks LtdSpecialist contractors
- Red Square Group LtdBuilders
- Sencho Investments LtdMotor traders
- Signature Build (South) LtdBuilders
- Slash Contractors LtdFinishing trades
- Swinley Interiors LtdInstallers
- Tunbury LimitedProperty developers
- Umbrella Conglomorate LimitedProperty developers
- Ups Corp LimitedMachinery repair and installation
- Visualunusual LimitedFinishing trades
What happens if Tone Control Av 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 12233150
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 September 2019 (7 years ago)
- Registered office
- 4TH Floor, 18 ST Cross Street, London, EC1N 8UN
- Nature of business
- Electrical installation (SIC 43210)
Repair of consumer electronics (SIC 95210) - Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 24 October 2025
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.
- Top Notch Homes Limited2026
- Topas Property Services Limited2022
- Torcen Property Maintenance Ltd2025
- Tos Electrical Ltd2020
- Total Complete Control UK Ltd2012
- Total Service Solutions Ltd2023
- Tower Electrical and Safety Limited2022
- TP Electrical & Property Ltd2023
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Tone Control Av Ltd's accounts due?
Tone Control Av Ltd's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Tone Control Av Ltd's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Tone Control Av Ltd still trading?
Tone Control Av 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 Tone Control Av Ltd do?
Tone Control Av Ltd is registered under Electrical installation (SIC 43210); Repair of consumer electronics (SIC 95210).
How old is Tone Control Av Ltd?
Tone Control Av Ltd was incorporated on 30 September 2019, 7 years ago.
What is the penalty if Tone Control Av 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 Tone Control Av 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.