- Companies
- Electricians
- Harrow
- K.J. Electrical Services Limited
K.J. Electrical Services Limited
- Company number
- 03350827
- Incorporated
- 11 Apr 199729 years trading
- Registered office
- 8 Peterborough Road, Harrow, HA1 2BQ
- Nature of business
- Electrical installation
K.J. Electrical Services Limited is a 29-year-old private limited company registered in Harrow, company number 03350827, one of 200 electrical contractors in Harrow. 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 up £6,344 (+21%) on the year before, to £37K.
- Net assets rose in 6 of 7 year-on-year comparisons on record.
- Current assets of £70K against £33K owed within a year: 2.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 8 years, 2015 to 2022.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2022 | £37K | £70K | £33K | 2 | |
| 31 Mar 2021 | £30K | £50K | £20K | 2 | |
| 31 Mar 2020 | £29K | £37K | £14K | 2 | |
| 31 Mar 2019 | £26K | £38K | £19K | ||
| 31 Mar 2018 | £18K | £29K | £19K | ||
| 31 Mar 2017 | £13K | £21K | £19K | ||
| 31 Mar 2016 | £1,161 | £17K | £28K | £28K | |
| 31 Mar 2015 | £13K | £11K | £23K | £10K |
Where K.J. Electrical Services Limited is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 2BQ on a map.
Other trade companies in HA1
- Cabos Electrical LimitedElectricians
- Mia Maria Services LtdCleaning companies
- Ac Operations LtdScaffolders
- Verde Masters LtdLandscapers and gardeners
- Omega Works Group LtdLandscapers and gardeners
- Call 'Em LimitedPlumbers and heating engineers
- Swan Roofing Services LimitedRoofers
- DRV Property Solutions LtdPainters and decorators
Also registered at this address
18 other companies use the same registered office as K.J. Electrical Services Limited.
- Alan C Ford (Roy Road) LtdBuilders
- Alma Enterprise Ltd.Property developers
- Constructco LimitedProperty developers
- DB1 LtdMotor traders
- Flexectrix LtdElectricians
- Hestia Homes London LimitedBuilders
- Keymech LtdMechanics and garages
- Lupin Garden Services LimitedLandscapers and gardeners
- PCM Construction LimitedSpecialist contractors
- Phil Bamforth Consulting LimitedSpecialist contractors
- RDH Plumbing and Heating LimitedPlumbers and heating engineers
- Riverhill Group LtdProperty developers
- Riverhill LtdProperty developers
- Shutter Your House LimitedInstallers
- Waite Design LtdBuilders
- Wiggins Services LimitedElectricians
- Woodlands Park LimitedBuilders
- Woodlands Park London LimitedBuilders
What happens if K.J. Electrical Services 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
- 03350827
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 April 1997 (29 years ago)
- Registered office
- 8 Peterborough Road, Harrow, HA1 2BQ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 April 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 Harrow
Other active electrical contractors registered in Harrow.
- Karwan Electrics Limited2021
- Khy Electrical Services Ltd2024
- Kingston Fire and Electrical Ltd2009
- Kirks ML Limited2022
- KJP Engineering Ltd2026
- KR Partnership Ltd2009
- L R Brothers Ltd2018
- Landlord Building Certificates Ltd2021
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are K.J. Electrical Services Limited's accounts due?
K.J. Electrical Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is K.J. Electrical Services 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 K.J. Electrical Services Limited still trading?
K.J. Electrical Services 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 K.J. Electrical Services Limited do?
K.J. Electrical Services Limited is registered under Electrical installation (SIC 43210).
How old is K.J. Electrical Services Limited?
K.J. Electrical Services Limited was incorporated on 11 April 1997, 29 years ago.
What is the penalty if K.J. Electrical Services 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 K.J. Electrical Services 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.