- Companies
- Electricians
- Slough
- D. James Graham Electrical Ltd
D. James Graham Electrical Ltd
- Company number
- 11728739
- Incorporated
- 14 Dec 20187 years trading
- Registered office
- 242/242A Farnham Road, Slough, Berkshire, SL1 4XE
- Nature of business
- Electrical installation
D. James Graham Electrical Ltd is a 7-year-old private limited company registered in Slough, company number 11728739, one of 101 electrical contractors in Slough. Its next accounts are due at Companies House on 27 December 2026, and the CT600 for the period to 27 March 2026 is due at HMRC on 27 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 £25K (-43.7%) on the year before, to £33K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £40K against £7,724 owed within a year: 5.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £33K | £40K | £7,724 | 1 | |
| 31 Mar 2024 | £58K | £76K | £18K | 1 | |
| 31 Mar 2023 | £44K | £70K | £26K | 1 | |
| 31 Mar 2022 | £28K | £43K | £15K | 1 | |
| 31 Mar 2021 | £2,501 | £4,038 | £1,537 | 0 | |
| 31 Mar 2020 | £1 | £1 |
Where D. James Graham Electrical Ltd is registered
The registered office is in Slough (SL1), in the Slough local authority area, South East. Show SL1 4XE on a map.
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- Shadeworks LtdInstallers
- Yad Building Services LimitedBuilders
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- Hadi Automotive LtdMotor traders
- Imperial Berkshire Motors LtdMotor traders
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Also registered at this address
12 other companies use the same registered office as D. James Graham Electrical Ltd.
- Byrne Electrical Solutions LtdElectricians
- C J Stone Plumbing & Heating LtdPlumbers and heating engineers
- Clark Carpentry & Construction LtdJoiners and carpenters
- Clean Wave Energy LtdElectricians
- CWC Berkshire LtdSpecialist contractors
- Future Projects Services LtdBuilders
- Hurley Construction LtdInstallers
- Novanta Designs LtdSpecialist contractors
- NSN Carpentry LimitedBuilders
- Paul Mark Kitchens LtdFinishing trades
- Walson Developments LimitedBuilders
- Winter Brickwork & Construction LimitedFinishing trades
What happens if D. James Graham 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 27 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 28 Dec 2026 to 27 Jan 2027 | £150 |
| 1 to 3 months late | 28 Jan 2027 to 27 Mar 2027 | £375 |
| 3 to 6 months late | 28 Mar 2027 to 27 Jun 2027 | £750 |
| More than 6 months late | From 28 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 28 Mar 2027 | £200 |
| 3 months late | 27 Jun 2027 | another £200 |
| 6 months late | 27 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 27 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
- 11728739
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 December 2018 (7 years ago)
- Registered office
- 242/242A Farnham Road, Slough, Berkshire, SL1 4XE
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 27 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 13 December 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 Slough
Other active electrical contractors registered in Slough.
- Dalectrics Ltd2024
- DB Electrical Services (Berks) Ltd2026
- Ekon Electrics Ltd2026
- Electragas Ltd2005
- Ephs Ltd2006
- Etech Electrical Contractors Ltd2020
- Ever Bright Electric Contractor Ltd2025
- F & H Projects Ltd2025
All electrical contractors in Slough · All trades in Slough · Electricians across the UK
Frequently asked questions
When are D. James Graham Electrical Ltd's accounts due?
D. James Graham Electrical Ltd's next accounts are due at Companies House by 27 December 2026 (in 75 days), covering the period to 27 March 2026.
When is D. James Graham Electrical Ltd's CT600 due?
The CT600 for the period to 27 March 2026 is due at HMRC by 27 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 28 December 2026.
Is D. James Graham Electrical Ltd still trading?
D. James Graham 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 D. James Graham Electrical Ltd do?
D. James Graham Electrical Ltd is registered under Electrical installation (SIC 43210).
How old is D. James Graham Electrical Ltd?
D. James Graham Electrical Ltd was incorporated on 14 December 2018, 7 years ago.
What is the penalty if D. James Graham 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 D. James Graham 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.