- Companies
- Electricians
- London Colney
- Practical Spark Ltd
Practical Spark Ltd
- Company number
- 15931781
- Incorporated
- 3 Sep 20242 years trading
- Registered office
- 45 Shenley Lane, London Colney, Herts, AL2 1LW
- Nature of business
- Electrical installation
Practical Spark Ltd is a 2-year-old private limited company registered in London Colney, company number 15931781, one of 9 electrical contractors in London Colney. 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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Financial snapshot, 2025
From the balance sheet at 30 September 2025, as filed at Companies House.
Who runs and owns Practical Spark Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** B*** | Director | Sep 2024 |
Person with significant control
Where Practical Spark Ltd is registered
The registered office is in London Colney (AL2), in the St Albans local authority area, East of England. Show AL2 1LW on a map.
Other trade companies in AL2
- Keris Ventures Limited LimitedFinishing trades
- Kelly Brickwork LimitedBuilders
- Aurora Electrical LtdElectricians
- Pillars Motors LimitedMotor traders
- Pride & Joy LtdFinishing trades
- Rowantree Developments Group LimitedProperty developers
- Herts Groundworks and Civils LtdGroundworks and demolition
- Meristem Developments LtdProperty developers
What happens if Practical Spark 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
- 15931781
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 September 2024 (2 years ago)
- Registered office
- 45 Shenley Lane, London Colney, Herts, AL2 1LW
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 2 September 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 Colney
Other active electrical contractors registered in London Colney.
- Ricketts Electrics Ltd2023
- Solinvictus Ses Ltd2012
- ST Albans Electrical Ltd2011
- Bulb Fiction Ltd2021
- Kaybec Ltd2021
- LPS Electricians Ltd2026
- M. Bradbrook Electrical Services Limited2016
- Mylo Energy Ltd2023
All electrical contractors in London Colney · All trades in London Colney · Electricians across the UK
Frequently asked questions
When are Practical Spark Ltd's accounts due?
Practical Spark Ltd's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Practical Spark 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 Practical Spark Ltd still trading?
Practical Spark Ltd 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 Practical Spark Ltd do?
Practical Spark Ltd is registered under Electrical installation (SIC 43210).
How old is Practical Spark Ltd?
Practical Spark Ltd was incorporated on 3 September 2024, 2 years ago.
Who runs Practical Spark Ltd?
Practical Spark Ltd has 1 active director, the longest-serving appointed in Sep 2024. Their names and service addresses are on the Companies House register.
Who owns Practical Spark Ltd?
One person or company has significant control of Practical Spark Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Practical Spark 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 Practical Spark Ltd 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.