- Companies
- Electricians
- Harrow
- Ajf Heating Mechanical and Electrical Services Ltd
Ajf Heating Mechanical and Electrical Services Ltd
- Company number
- 17142687
- Incorporated
- 8 Apr 2026
- Registered office
- 5 Jardine House, Bessborough Road, Harrow, HA1 3EX
- Nature of business
- Electrical installation; Plumbing, heat and air-conditioning installation
Ajf Heating Mechanical and Electrical Services Ltd is a newly incorporated private limited company registered in Harrow, company number 17142687, one of 200 electrical contractors in Harrow. Its next accounts are due at Companies House on 8 January 2028, and its first CT600 is due at HMRC on 7 April 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Ajf Heating Mechanical and Electrical Services Ltd is registered
The registered office is in Harrow (HA1), in the Harrow local authority area, London. Show HA1 3EX 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
14 other companies use the same registered office as Ajf Heating Mechanical and Electrical Services Ltd.
- Central Sealants LtdFinishing trades
- Chelmer Road LimitedProperty developers
- Chertsey Contractors LtdFinishing trades
- Clean-Ton Commercial LimitedCleaning companies
- Clear Cut Glazing and Building LtdFinishing trades
- Great White Spark Lighting LimitedElectricians
- Hje Property Services LimitedBuilders
- Intra House (London) Developments LtdProperty developers
- Limelight Build & Design LimitedElectricians
- MS Building and Maintenance Services LtdFinishing trades
- Paji Property LimitedProperty developers
- TBM Installations LtdInstallers
- The Smallburgh Walled Garden LtdBuilders
- Veram GBS LimitedBuilders
What happens if Ajf Heating Mechanical and Electrical Services 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 8 January 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 9 Jan 2028 to 8 Feb 2028 | £150 |
| 1 to 3 months late | 9 Feb 2028 to 8 Apr 2028 | £375 |
| 3 to 6 months late | 9 Apr 2028 to 8 Jul 2028 | £750 |
| More than 6 months late | From 9 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2028 | £200 |
| 3 months late | 30 Jul 2028 | another £200 |
| 6 months late | 30 Oct 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 2029 | 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
- 17142687
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 April 2026
- Registered office
- 5 Jardine House, Bessborough Road, Harrow, HA1 3EX
- Nature of business
- Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 30 April (accounting reference date)
- Accounts type
- No accounts filed yet
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.
- Akshar Energy Ltd2024
- Akshar Services Ltd2016
- Alp Property Care Ltd2025
- Amprise Services Ltd2026
- Anh Plumbing & Heating Ltd2020
- Anthony James Electrical Ltd2020
- Any Time Electrician Limited2021
- Ardent Security Limited1991
All electrical contractors in Harrow · All trades in Harrow · Electricians across the UK
Frequently asked questions
When are Ajf Heating Mechanical and Electrical Services Ltd's accounts due?
Ajf Heating Mechanical and Electrical Services Ltd's next accounts are due at Companies House by 8 January 2028 (in 452 days), covering the period to 30 April 2027.
When is Ajf Heating Mechanical and Electrical Services Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 7 April 2027, due by 7 April 2028, and one for the period to 30 April 2027, due by 30 April 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ajf Heating Mechanical and Electrical Services Ltd still trading?
Ajf Heating Mechanical and Electrical Services 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 Ajf Heating Mechanical and Electrical Services Ltd do?
Ajf Heating Mechanical and Electrical Services Ltd is registered under Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Ajf Heating Mechanical and Electrical Services Ltd?
Ajf Heating Mechanical and Electrical Services Ltd was incorporated on 8 April 2026, less than a year ago.
What is the penalty if Ajf Heating Mechanical and Electrical Services 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 Ajf Heating Mechanical and Electrical Services 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.