- Companies
- Electricians
- Wallington
- James Blackmore Electrical Ltd
James Blackmore Electrical Ltd
- Company number
- 15849798
- Incorporated
- 21 Jul 20242 years trading
- Registered office
- 32 Alington Grove, Wallington, SM6 9NQ
- Nature of business
- Electrical installation
James Blackmore Electrical Ltd is a 2-year-old private limited company registered in Wallington, company number 15849798, one of 45 electrical contractors in Wallington. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 31 July 2025, as filed at Companies House.
Where James Blackmore Electrical Ltd is registered
The registered office is in Wallington (SM6), in the Sutton local authority area, London. Show SM6 9NQ on a map.
Other trade companies in SM6
- Lno Construction LtdFinishing trades
- Hqa Renovation and Solutions LtdInstallers
- Averion Homes & Developments LtdProperty developers
- A&S Property Developer (London) LtdProperty developers
- Goready Mobile Tyres LtdMechanics and garages
- Burden Developments LimitedProperty developers
- Foxcontrolsolutions LtdElectricians
- Stelmac Design & Build LtdBuilders
What happens if James Blackmore 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15849798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 July 2024 (2 years ago)
- Registered office
- 32 Alington Grove, Wallington, SM6 9NQ
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 30 July 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 Wallington
Other active electrical contractors registered in Wallington.
- Kelly Brothers Services Limited2024
- Kelly Electrics, Female Electricians Ltd2013
- LJB Electrical Services Limited2003
- Lubo2009 Ltd2013
- M.J.M. Electrical Services Limited1998
- Mes Electrical Surrey Ltd2025
- MK Veasey Electrical Limited2015
- Orbis Electrics Limited2014
All electrical contractors in Wallington · All trades in Wallington · Electricians across the UK
Frequently asked questions
When are James Blackmore Electrical Ltd's accounts due?
James Blackmore Electrical Ltd's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is James Blackmore Electrical Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is James Blackmore Electrical Ltd still trading?
James Blackmore 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 James Blackmore Electrical Ltd do?
James Blackmore Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is James Blackmore Electrical Ltd?
James Blackmore Electrical Ltd was incorporated on 21 July 2024, 2 years ago.
What is the penalty if James Blackmore 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 James Blackmore 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.