- Companies
- Plumbers and heating engineers
- Rayleigh
- Gas Monkey HVAC Ltd
Gas Monkey HVAC Ltd
- Company number
- 09100788
- Incorporated
- 24 Jun 201412 years trading
- Registered office
- 1 Rivenhall, Rayleigh, Essex, SS6 7TT
- Nature of business
- Plumbing, heat and air-conditioning installation
Gas Monkey HVAC Ltd is a 12-year-old private limited company registered in Rayleigh, company number 09100788, one of 43 plumbing and heating companies in Rayleigh. 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 £102 (+23.3%) on the year before, to £539.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £16K against £14K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £539 | £16K | £14K | 2 | |
| 30 Jun 2025 | £437 | £8,223 | £6,456 | 2 | |
| 30 Jun 2024 | £424 | £10K | £8,511 | 2 | |
| 30 Jun 2023 | £410 | £16K | £14K | 2 | |
| 30 Jun 2022 | £30 | £9,803 | £8,773 | 2 | |
| 30 Jun 2021 | £5,232 | £22K | £16K | 2 | |
| 30 Jun 2020 | £1,011 | £30K | £29K | 2 | |
| 30 Jun 2019 | £157 | £14K | £14K | ||
| 30 Jun 2018 | £102 | £20K | £13K | ||
| 30 Jun 2017 | £88 | £19K | £12K |
Where Gas Monkey HVAC Ltd is registered
The registered office is in Rayleigh (SS6), in the Castle Point local authority area, East of England. Show SS6 7TT on a map.
Other trade companies in SS6
- Nexum Building Services LtdElectricians
- J Bradford Mechanical LtdPlumbers and heating engineers
- Ehs Valeting LtdCleaning companies
- SXXD Regeneration LimitedSpecialist contractors
- Sparkle Drive LtdCleaning companies
- Thorne's Construction LtdFinishing trades
- Scrubbydo LimitedCleaning companies
- LPC Pipelines LimitedInstallers
What happens if Gas Monkey HVAC 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
- 09100788
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 June 2014 (12 years ago)
- Registered office
- 1 Rivenhall, Rayleigh, Essex, SS6 7TT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 6 February 2026
- Previous names
- Gas Monkey Heating & Plumbing Limited (until 12 Jan 2024)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Rayleigh
Other active plumbing and heating companies registered in Rayleigh.
- Green Plumbing and Heating Ltd2019
- Greentech Plumbing & Drainage Ltd2024
- Harris Property Services Ltd2017
- Haywards Heating Ltd2018
- Hydro Drains Limited2000
- Icm Plumbing and Gas Maintenance Ltd2016
- Imac Gas Services Ltd2017
- Iplumb London Services Limited2022
All plumbing and heating companies in Rayleigh · All trades in Rayleigh · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gas Monkey HVAC Ltd's accounts due?
Gas Monkey HVAC 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 Gas Monkey HVAC 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 Gas Monkey HVAC Ltd still trading?
Gas Monkey HVAC 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 Gas Monkey HVAC Ltd do?
Gas Monkey HVAC Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gas Monkey HVAC Ltd?
Gas Monkey HVAC Ltd was incorporated on 24 June 2014, 12 years ago.
What is the penalty if Gas Monkey HVAC 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 Gas Monkey HVAC 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.