- Companies
- Plumbers and heating engineers
- London
- Gross Air Conditioning Ltd
Gross Air Conditioning Ltd
- Company number
- 05951162
- Incorporated
- 29 Sep 200620 years trading
- Registered office
- First Floor, 94 Stamford Hill, London, N16 6XS
- Nature of business
- Plumbing, heat and air-conditioning installation
Gross Air Conditioning Ltd is a 20-year-old private limited company registered in London, company number 05951162, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 4 July 2027, and its first CT600 is due at HMRC on 30 September 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 £24K (+27.5%) on the year before, to -£62K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £257K against £326K owed within a year: 0.8 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 10 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2025 | -£62K | £16K | £257K | £326K | 5 |
| 30 Sep 2024 | -£86K | £9,676 | £301K | £377K | 4 |
| 30 Sep 2023 | -£83K | £16K | £203K | £278K | 4 |
| 29 Sep 2023 | -£83K | £16K | £203K | £278K | 4 |
| 30 Sep 2022 | -£24K | £39K | £254K | £261K | 0 |
| 29 Sep 2022 | -£24K | £39K | £254K | £261K | 0 |
| 30 Sep 2021 | -£29K | £18K | £178K | £184K | 0 |
| 30 Sep 2020 | -£38K | £15K | £183K | £191K | 14 |
| 30 Sep 2019 | £22K | £1,005 | £139K | £131K | 17 |
| 30 Sep 2018 | £23K | £1,448 | £108K | £101K | 12 |
Who runs and owns Gross Air Conditioning Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| M*** G*** | Director | Mar 2018 |
| M*** G*** | Secretary | Sep 2006 |
| M*** K*** | Secretary | Sep 2025 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| R*** G*** | Director | Sep 2006 | Mar 2018 |
Person with significant control
Where Gross Air Conditioning Ltd is registered
The registered office is in London (N16), in the Hackney local authority area, London. Show N16 6XS on a map.
Other trade companies in N16
- Jrdesign&Renovations LtdCleaning companies
- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- Core Maintenance London LtdFinishing trades
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
Also registered at this address
4 other companies use the same registered office as Gross Air Conditioning Ltd.
- Between Lets LimitedFinishing trades
- Kinstene Co. LimitedProperty developers
- Tallow Estates LtdProperty developers
- Visaview LimitedProperty developers
What happens if Gross Air Conditioning 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 4 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Jul 2027 to 4 Aug 2027 | £150 |
| 1 to 3 months late | 5 Aug 2027 to 4 Oct 2027 | £375 |
| 3 to 6 months late | 5 Oct 2027 to 4 Jan 2028 | £750 |
| More than 6 months late | From 5 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 5 Oct 2027 | £200 |
| 3 months late | 4 Jan 2028 | another £200 |
| 6 months late | 4 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 4 Oct 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
- 05951162
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 September 2006 (20 years ago)
- Registered office
- First Floor, 94 Stamford Hill, London, N16 6XS
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 4 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 5 February 2026
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 London
Other active plumbing and heating companies registered in London.
- Ground Source Heat Limited2017
- GS Heating London Limited2024
- GSH Colchester Limited2017
- GSR Contractors Berkshire Ltd2017
- GSTT Limited Ltd2026
- GTB (FT) Ltd2025
- GTC Gas Ltd2021
- Guildford Plumbing and Heating Ltd2017
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gross Air Conditioning Ltd's accounts due?
Gross Air Conditioning Ltd's next accounts are due at Companies House by 4 July 2027 (in 264 days), covering the period to 4 October 2026.
When is Gross Air Conditioning 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 30 September 2026, due by 30 September 2027, and one for the period to 4 October 2026, due by 4 October 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Gross Air Conditioning Ltd still trading?
Gross Air Conditioning 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 Gross Air Conditioning Ltd do?
Gross Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gross Air Conditioning Ltd?
Gross Air Conditioning Ltd was incorporated on 29 September 2006, 20 years ago.
Who runs Gross Air Conditioning Ltd?
Gross Air Conditioning Ltd has 1 active director, the longest-serving appointed in Mar 2018. Their names and service addresses are on the Companies House register.
Who owns Gross Air Conditioning Ltd?
One person or company has significant control of Gross Air Conditioning Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Gross Air Conditioning 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 Gross Air Conditioning 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.