- Companies
- Machinery repair and installation
- Ruislip
- GJ Heating Services Ltd
GJ Heating Services Ltd
- Company number
- 12068544
- Incorporated
- 25 Jun 20197 years trading
- Registered office
- 70-72 Victoria Road, Ruislip, HA4 0AH
- Nature of business
- Repair of machinery
GJ Heating Services Ltd is a 7-year-old private limited company registered in Ruislip, company number 12068544, one of 17 machinery repair and installation companies in Ruislip. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £507 (+77.4%) on the year before, to £1,162.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- 2 employees 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £1,162 | £8,745 | 2 | ||
| 30 Jun 2024 | £655 | £11K | 2 | ||
| 30 Jun 2023 | £2,664 | £9,527 | 2 | ||
| 30 Jun 2022 | £4,270 | £8,932 | 2 | ||
| 30 Jun 2021 | £4,393 | £13K | 2 | ||
| 30 Jun 2020 | -£835 | £14K | 2 |
Where GJ Heating Services Ltd is registered
The registered office is in Ruislip (HA4), in the Hillingdon local authority area, London. Show HA4 0AH on a map.
Other trade companies in HA4
- SSC London LtdGroundworks and demolition
- DCR Industriltdal LtdPainters and decorators
- Katardino Monten for General Contracting and Supplies LtdCivil engineering
- Apex Build & Move LtdBuilders
- Ridgeway Building Contracts LimitedProperty developers
- Azya Farah LtdBuilders
- Howdens Roofing & Guttering LimitedRoofers
- Vetro Glazing LimitedGlaziers
Shared registered office
73 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 GJ Heating 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 12068544
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2019 (7 years ago)
- Registered office
- 70-72 Victoria Road, Ruislip, HA4 0AH
- Nature of business
- Repair of machinery (SIC 33120)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 24 June 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Ruislip
Other active machinery repair and installation companies registered in Ruislip.
- Hayk Corporation Ltd2018
- High Efficiency Systems Ltd2025
- Jeffreeze Refrigeration Ltd2014
- Jon Edwards Repair Ltd2015
- On-Line Refrigeration & Air Conditioning Limited1996
- P&F Domestic Solutions Ltd2022
- Peak Inspections Ltd2022
- Robotic Design Ltd2026
All machinery repair and installation companies in Ruislip · All trades in Ruislip · Machinery repair and installation across the UK
Frequently asked questions
When are GJ Heating Services Ltd's accounts due?
GJ Heating Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is GJ Heating Services Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is GJ Heating Services Ltd still trading?
GJ Heating 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 GJ Heating Services Ltd do?
GJ Heating Services Ltd is registered under Repair of machinery (SIC 33120).
How old is GJ Heating Services Ltd?
GJ Heating Services Ltd was incorporated on 25 June 2019, 7 years ago.
What is the penalty if GJ Heating 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 GJ Heating 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.