- Companies
- Electricians
- Pontefract
- Castle Security & Electrical Ltd
Castle Security & Electrical Ltd
- Company number
- 10434622
- Incorporated
- 18 Oct 20169 years trading
- Registered office
- 32 Gillygate, Pontefract, WF8 1PQ
- Nature of business
- Electrical installation
Castle Security & Electrical Ltd is a 9-year-old private limited company registered in Pontefract, company number 10434622, one of 53 electrical contractors in Pontefract. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £5,354 (-29%) on the year before, to £13K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £12K against £4,600 owed within a year: 2.6 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 |
|---|---|---|---|---|---|
| 31 Oct 2025 | £13K | £2,240 | £12K | £4,600 | 1 |
| 31 Oct 2024 | £18K | £9,403 | £14K | £6,791 | 1 |
| 31 Oct 2023 | £8,413 | £4,874 | £7,653 | £4,834 | 2 |
| 31 Oct 2022 | £112 | £3,149 | £8,373 | £6,012 | 2 |
| 31 Oct 2021 | -£7,251 | £6,488 | £16K | £6,080 | 2 |
| 31 Oct 2020 | -£41K | £8,353 | £19K | £6,403 | 2 |
| 31 Oct 2019 | -£42K | £199 | £9,169 | £3,772 | 2 |
| 31 Oct 2018 | -£22K | £1,332 | £11K | £1,500 | |
| 31 Oct 2017 | -£10K | £1,731 | £15K | £4,077 |
Where Castle Security & Electrical Ltd is registered
The registered office is in Pontefract (WF8), in the Wakefield local authority area, Yorkshire and The Humber. Show WF8 1PQ on a map.
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- Atkinson Drilling LtdGroundworks and demolition
- Sparky Yorkshire LtdElectricians
- Upb (Performance Parts) LtdMotor traders
- Buildher Works LtdBuilders
- MSR Decorators LtdPainters and decorators
- Eastline Towbars LtdMechanics and garages
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Also registered at this address
22 other companies use the same registered office as Castle Security & Electrical Ltd.
- All Damp LtdSpecialist contractors
- Allyte Associates LtdSpecialist contractors
- Anna Construction LtdCivil engineering
- CMS Housing LtdLandscapers and gardeners
- CT Yorkshire Builders LtdSpecialist contractors
- Eastline Towbars LtdMechanics and garages
- Golding Engineering LimitedCivil engineering
- Halo Fire Sprinklers LtdInstallers
- KCK Housing LtdBuilders
- Kellycraft LtdMechanics and garages
- King Street Garage LtdMechanics and garages
- Marsh Glazing Windows & Doors LimitedBuilders
- MBP Civils LtdCivil engineering
- NDW Properties LtdProperty developers
- Polar Heating & Building Services LtdPlumbers and heating engineers
- Property Development & Solutions LimitedFinishing trades
- Race2Road (UK) LtdMotor traders
- Red Ant Construction LtdSpecialist contractors
- RJK Refrigeration Services LtdPlumbers and heating engineers
- S C Grant Plumbing & Heating LtdPlumbers and heating engineers
- The Yorkshire Lime Company LtdSpecialist contractors
- ZSJ Developments LtdBuilders
What happens if Castle Security & Electrical 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 10434622
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 October 2016 (9 years ago)
- Registered office
- 32 Gillygate, Pontefract, WF8 1PQ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- 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 Pontefract
Other active electrical contractors registered in Pontefract.
- Circuit Works Limited2023
- Clover Electrical Ltd2025
- DC Elec Limited2020
- Dunncroft Electrical Solutions Limited2014
- Elecco (Yorkshire) Ltd2025
- Envirohome Energy Solutions Limited2026
- FTR Electrician Ltd2026
- Geo Electrical Ltd2025
All electrical contractors in Pontefract · All trades in Pontefract · Electricians across the UK
Frequently asked questions
When are Castle Security & Electrical Ltd's accounts due?
Castle Security & Electrical Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Castle Security & Electrical Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Castle Security & Electrical Ltd still trading?
Castle Security & Electrical 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 Castle Security & Electrical Ltd do?
Castle Security & Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is Castle Security & Electrical Ltd?
Castle Security & Electrical Ltd was incorporated on 18 October 2016, 9 years ago.
What is the penalty if Castle Security & Electrical 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 Castle Security & Electrical 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.