- Companies
- Electricians
- London
- Switched on London Ltd
Switched on London Ltd
- Company number
- 09383965
- Incorporated
- 12 Jan 201511 years trading
- Registered office
- 625 Garratt Lane, London, SW18 4SX
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Switched on London Ltd is a 11-year-old private limited company registered in London, company number 09383965, one of 3,448 electrical contractors in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £126K (-20.3%) on the year before, to £494K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £700K against £297K owed within a year: 2.4 times cover.
- 34 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £494K | £127K | £700K | £297K | 34 |
| 31 Jan 2024 | £619K | £344K | £804K | £314K | 34 |
| 31 Jan 2023 | £535K | £246K | £755K | £403K | 36 |
| 31 Jan 2022 | £156K | £109K | £291K | £267K | 31 |
| 31 Jan 2021 | £368K | £415K | £566K | £267K | 19 |
| 31 Jan 2020 | £467K | £287K | £486K | £71K | 10 |
| 31 Jan 2019 | £332K | £183K | £364K | £71K | 6 |
| 31 Jan 2018 | £202K | £259K | £297K | £106K | 5 |
| 31 Jan 2017 | £270K | £351K | £85K | ||
| 31 Jan 2016 | £136K | £137K | £249K | £118K |
Where Switched on London Ltd is registered
The registered office is in London (SW18), in the Wandsworth local authority area, London. Show SW18 4SX on a map.
Other trade companies in SW18
- Altius 24CHT LimitedProperty developers
- Nexlink Technologies LtdElectricians
- Straightedge Builders LtdProperty developers
- Parsons Green Re Design & Build LimitedProperty developers
- Home Appliances Repair LimitedRepair services
- 34 & 34A Lambrook Terrace Freehold LtdProperty developers
- 30 Thorndean LtdProperty developers
- Fircroft Group LimitedProperty developers
What happens if Switched on 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 09383965
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 January 2015 (11 years ago)
- Registered office
- 625 Garratt Lane, London, SW18 4SX
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 23 December 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
- Previous names
- Switched on Partners Ltd (until 9 Mar 2015)
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.
- Symosis Ltd.2018
- Synchronised Security Systems Limited2007
- Synergy Property Care Ltd2025
- Syntec Electrical Services Ltd2016
- Synth Solar Ltd2024
- System Electrics (Contracts) Limited1990
- T & H Mechanical Services Ltd2024
- T & I Facilities Limited2005
All electrical contractors in London · All trades in London · Electricians across the UK
Frequently asked questions
When are Switched on London Ltd's accounts due?
Switched on London Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is Switched on London Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is Switched on London Ltd still trading?
Switched on 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 Switched on London Ltd do?
Switched on London Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Switched on London Ltd?
Switched on London Ltd was incorporated on 12 January 2015, 11 years ago.
What is the penalty if Switched on 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 Switched on 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.