- Companies
- Civil engineering
- High Wycombe
- Clarkey Sparkie Limited
Clarkey Sparkie Limited
- Company number
- 06497453
- Incorporated
- 8 Feb 200818 years trading
- Registered office
- 48 Ashley Drive, Penn, High Wycombe, HP10 8BE
- Nature of business
- Construction of utility projects for electricity and telecommunications
Clarkey Sparkie Limited is a 18-year-old private limited company registered in High Wycombe, company number 06497453, one of 31 civil engineering contractors in High Wycombe. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £7,482 (-257.9%) on the year before, to -£4,581.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £8,633 against £20K owed within a year: 0.4 times cover.
- 1 employee on average, down from 2 the year before.
- 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 Mar 2025 | -£4,581 | £3,927 | £8,633 | £20K | 1 |
| 31 Mar 2024 | £2,901 | £3,904 | £19K | £21K | 2 |
| 31 Mar 2023 | £12K | £8,312 | £23K | £19K | 2 |
| 31 Mar 2022 | £571 | £22K | £44K | 2 | |
| 31 Mar 2021 | £400 | £54K | £54K | 2 | |
| 31 Mar 2020 | £513 | £20K | £21K | 2 | |
| 31 Mar 2019 | £101 | £18K | £20K | ||
| 31 Mar 2018 | £100 | £22K | £27K | ||
| 31 Mar 2017 | £100 | £14K | £20K | ||
| 31 Mar 2016 | £144 | £8,836 | £16K | £20K |
Where Clarkey Sparkie Limited is registered
The registered office is in High Wycombe (HP10), in the Buckinghamshire local authority area, South East. Show HP10 8BE on a map.
Other trade companies in HP10
- Range Fit Co LtdJoiners and carpenters
- Ajm Autos LimitedMotor traders
- Woodys LimitedJoiners and carpenters
- Ah Stottor Building Services LtdFinishing trades
- Bradley Evolve LimitedProperty developers
- The Warmth and Water Group LtdPlumbers and heating engineers
- Epds Home Improvement LtdBuilders
- Cleancoat Property Services LtdBuilders
What happens if Clarkey Sparkie 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06497453
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 February 2008 (18 years ago)
- Registered office
- 48 Ashley Drive, Penn, High Wycombe, HP10 8BE
- Nature of business
- Construction of utility projects for electricity and telecommunications (SIC 42220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 30 January 2026
- Previous names
- Yazoo Film Ideas Limited (until 17 Apr 2008)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in High Wycombe
Other active civil engineering contractors registered in High Wycombe.
- Denis KM Ltd2026
- Esmil Process Systems Limited1988
- Hawes Plant and Tool Hire Limited1986
- JMKD Construction Ltd2023
- John Lee Construction Limited2004
- Kehr Management Ltd2007
- Kilowatts Electrics Ltd2021
- KJK Construction Management Services Limited2024
All civil engineering contractors in High Wycombe · All trades in High Wycombe · Civil engineering across the UK
Frequently asked questions
When are Clarkey Sparkie Limited's accounts due?
Clarkey Sparkie Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Clarkey Sparkie Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Clarkey Sparkie Limited still trading?
Clarkey Sparkie 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 Clarkey Sparkie Limited do?
Clarkey Sparkie Limited is registered under Construction of utility projects for electricity and telecommunications (SIC 42220).
How old is Clarkey Sparkie Limited?
Clarkey Sparkie Limited was incorporated on 8 February 2008, 18 years ago.
What is the penalty if Clarkey Sparkie 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 Clarkey Sparkie 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.