- Companies
- Electricians
- Hemel Hempstead
- JD Sparks Ltd
JD Sparks Ltd
- Company number
- 10231699
- Incorporated
- 14 Jun 201610 years trading
- Registered office
- 271 ST. Albans Road, Hemel Hempstead, HP2 4RP
- Nature of business
- Electrical installation
JD Sparks Ltd is a 10-year-old private limited company registered in Hemel Hempstead, company number 10231699, one of 127 electrical contractors in Hemel Hempstead. Its next accounts are due at Companies House on 29 March 2027, and the CT600 for the period to 29 June 2026 is due at HMRC on 29 June 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 up £2 (+40%) on the year before, to £7.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £14K against £8,084 owed within a year: 1.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Jun 2025 | £7 | £14K | £8,084 | 1 | |
| 29 Jun 2024 | £5 | £12K | £5,018 | 1 | |
| 29 Jun 2023 | £7,892 | £2,256 | £1,908 | 1 | |
| 29 Jun 2022 | £3,226 | £11K | £5,853 | 1 | |
| 29 Jun 2021 | £89 | £16K | £7,734 | 1 | |
| 29 Jun 2020 | £54 | £15K | £15K | 1 | |
| 29 Jun 2019 | £101 | £9,474 | £8,795 | ||
| 29 Jun 2018 | £2 | £6,362 | £4,944 | ||
| 30 Jun 2017 | £2 | £3,013 | £1,251 |
Where JD Sparks Ltd is registered
The registered office is in Hemel Hempstead (HP2), in the Dacorum local authority area, East of England. Show HP2 4RP on a map.
Other trade companies in HP2
- Prime Carpet Cleaning Experts LtdCleaning companies
- House to Home Builders LtdBuilders
- Gabriel Curic LtdCivil engineering
- Morya Holdings LtdProperty developers
- Construction by Nick LtdSpecialist contractors
- Ayzat Cleaning Solutions LimitedCleaning companies
- Thompsons Prowash LtdCleaning companies
- Herts Paving & Landscapes LtdSpecialist contractors
Also registered at this address
2 other companies use the same registered office as JD Sparks Ltd.
- Berkhamsted Heating LtdPlumbers and heating engineers
- K & M Decorators LimitedPainters and decorators
What happens if JD Sparks 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 29 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Mar 2027 to 29 Apr 2027 | £150 |
| 1 to 3 months late | 30 Apr 2027 to 29 Jun 2027 | £375 |
| 3 to 6 months late | 30 Jun 2027 to 29 Sep 2027 | £750 |
| More than 6 months late | From 30 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Jun 2027 | £200 |
| 3 months late | 29 Sep 2027 | another £200 |
| 6 months late | 29 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Jun 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
- 10231699
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2016 (10 years ago)
- Registered office
- 271 ST. Albans Road, Hemel Hempstead, HP2 4RP
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 29 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 June 2025
- Last confirmation statement
- 13 June 2026
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 Hemel Hempstead
Other active electrical contractors registered in Hemel Hempstead.
- JDC Av Limited2026
- JMR Electrical & Mechanical Limited2021
- Jonas Electricals Ltd2020
- JRH Electrical Limited2008
- JRP Electrical Installations Ltd2025
- KGRM Electrical Ltd2026
- Kindred Controls Limited2024
- KJP-Electrical Services Limited2020
All electrical contractors in Hemel Hempstead · All trades in Hemel Hempstead · Electricians across the UK
Frequently asked questions
When are JD Sparks Ltd's accounts due?
JD Sparks Ltd's next accounts are due at Companies House by 29 March 2027 (in 167 days), covering the period to 29 June 2026.
When is JD Sparks Ltd's CT600 due?
The CT600 for the period to 29 June 2026 is due at HMRC by 29 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 March 2027.
Is JD Sparks Ltd still trading?
JD Sparks 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 JD Sparks Ltd do?
JD Sparks Ltd is registered under Electrical installation (SIC 43210).
How old is JD Sparks Ltd?
JD Sparks Ltd was incorporated on 14 June 2016, 10 years ago.
What is the penalty if JD Sparks 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 JD Sparks 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.