- Companies
- Electricians
- Twickenham
- J G Sparks Limited
J G Sparks Limited
- Company number
- 08435062
- Incorporated
- 7 Mar 201313 years trading
- Registered office
- 446 Staines Road, Twickenham, TW2 5JD
- Nature of business
- Electrical installation
J G Sparks Limited is a 13-year-old private limited company registered in Twickenham, company number 08435062, one of 25 electrical contractors in Twickenham. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £795 (-39.7%) on the year before, to £1,207.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £16K against £8,872 owed within a year: 1.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £1,207 | £16K | £8,872 | 1 | |
| 31 Mar 2025 | £2,002 | £19K | £8,748 | 1 | |
| 31 Mar 2024 | £143 | £16K | £5,252 | 1 | |
| 31 Mar 2023 | -£4,770 | £10K | £3,167 | 1 | |
| 31 Mar 2022 | -£17K | £5,093 | £3,596 | 1 | |
| 31 Mar 2021 | £5,788 | £36K | £10K | 1 | |
| 31 Mar 2020 | -£2,665 | -£10K | £13K | 1 | |
| 31 Mar 2019 | -£9,992 | -£15K | £8,593 | ||
| 31 Mar 2018 | -£21K | -£37K | £19K | ||
| 31 Mar 2017 | £16K | £45K | £25K |
Where J G Sparks Limited is registered
The registered office is in Twickenham (TW2), in the Richmond upon Thames local authority area, London. Show TW2 5JD on a map.
Other trade companies in TW2
- Nova SMR Group LtdElectricians
- Liqwid Capital LimitedProperty developers
- Solori Energy LtdMachinery repair and installation
- Kingston Vehicle Services LtdMotor traders
- Procrest Roofing LtdRoofers
- Davids Cars LtdMotor traders
- Goldseal Building and Maintenance LtdSpecialist contractors
- Cali Prime Contractors LtdBuilders
What happens if J G Sparks 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 08435062
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 March 2013 (13 years ago)
- Registered office
- 446 Staines Road, Twickenham, TW2 5JD
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 17 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 Twickenham
Other active electrical contractors registered in Twickenham.
- JDH Lighting Ltd2013
- JK (UK) Limited2013
- Lectra Tech Ltd2023
- Les Thompson and Company Limited2003
- MG Lighting Limited2009
- Neo System Automation Limited2017
- Nextgen Electrical Services (Trading As Nexgen Electrics) Ltd2025
- Nova SMR Group Ltd2026
All electrical contractors in Twickenham · All trades in Twickenham · Electricians across the UK
Frequently asked questions
When are J G Sparks Limited's accounts due?
J G Sparks Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is J G Sparks Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is J G Sparks Limited still trading?
J G Sparks 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 J G Sparks Limited do?
J G Sparks Limited is registered under Electrical installation (SIC 43210).
How old is J G Sparks Limited?
J G Sparks Limited was incorporated on 7 March 2013, 13 years ago.
What is the penalty if J G Sparks 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 J G Sparks 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.