- Companies
- Electricians
- Potters Bar
- Ag Electrical Services (London) Ltd
Ag Electrical Services (London) Ltd
- Company number
- 15839065
- Incorporated
- 15 Jul 20242 years trading
- Registered office
- 2ND Floor, Unicorn House, Station Close, Potters Bar, Hertfordshire, EN6 1TL
- Nature of business
- Electrical installation
Ag Electrical Services (London) Ltd is a 2-year-old private limited company registered in Potters Bar, company number 15839065, one of 52 electrical contractors in Potters Bar. 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 Ag Electrical Services (London) Ltd is registered
The registered office is in Potters Bar (EN6), in the Hertsmere local authority area, East of England. Show EN6 1TL on a map.
Other trade companies in EN6
- Hertfordshire Roofing and Guttering Repairs LtdRoofers
- Vata RC Frames LtdSpecialist contractors
- Avanti Airtech LimitedPlumbers and heating engineers
- Azmaj Group LtdFinishing trades
- Burbridge Roofing and Build LtdBuilders
- Roman Way Holdings LtdProperty developers
- Westshire Property Services LimitedFinishing trades
- Oska Auto LtdMechanics and garages
Shared registered office
30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Ag Electrical Services (London) 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
- 15839065
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 July 2024 (2 years ago)
- Registered office
- 2ND Floor, Unicorn House, Station Close, Potters Bar, Hertfordshire, EN6 1TL
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 14 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 Potters Bar
Other active electrical contractors registered in Potters Bar.
- Agvelectrical Ltd2026
- Archie Property Maintenance Limited2018
- Art4 Electrical Ltd2022
- Asap Contractors Ltd2018
- Avt & Installation Limited2010
- B4E Solutions Ltd2007
- Belectrix Limited2016
- Bill Moule & Sons Limited1980
All electrical contractors in Potters Bar · All trades in Potters Bar · Electricians across the UK
Frequently asked questions
When are Ag Electrical Services (London) Ltd's accounts due?
Ag Electrical Services (London) 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 Ag Electrical Services (London) 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 Ag Electrical Services (London) Ltd still trading?
Ag Electrical Services (London) 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 Ag Electrical Services (London) Ltd do?
Ag Electrical Services (London) Ltd is registered under Electrical installation (SIC 43210).
How old is Ag Electrical Services (London) Ltd?
Ag Electrical Services (London) Ltd was incorporated on 15 July 2024, 2 years ago.
What is the penalty if Ag Electrical Services (London) 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 Ag Electrical Services (London) 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.