- Companies
- Plumbers and heating engineers
- Hook
- Hamilton Heating & Air Conditioning Ltd
Hamilton Heating & Air Conditioning Ltd
- Company number
- 10469283
- Incorporated
- 8 Nov 20169 years trading
- Registered office
- 9 Wild Herons, Hook, RG27 9SF
- Nature of business
- Plumbing, heat and air-conditioning installation
Hamilton Heating & Air Conditioning Ltd is a 9-year-old private limited company registered in Hook, company number 10469283, one of 24 plumbing and heating companies in Hook. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 down £78K (-25.8%) on the year before, to £224K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £379K against £235K owed within a year: 1.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £224K | £237K | £379K | £235K | 1 |
| 30 Nov 2024 | £301K | £341K | £395K | £133K | 1 |
| 30 Nov 2023 | £324K | £239K | £424K | £149K | 1 |
| 30 Nov 2022 | £262K | £187K | £343K | £98K | 1 |
| 30 Nov 2021 | £243K | £234K | £301K | £79K | 1 |
| 30 Nov 2020 | £190K | £152K | £267K | £98K | 1 |
| 30 Nov 2019 | £133K | £122K | £170K | £52K | 0 |
| 30 Nov 2018 | £90K | £117K | £146K | £60K | |
| 30 Nov 2017 | £31K | £51K | £72K | £44K |
Where Hamilton Heating & Air Conditioning Ltd is registered
The registered office is in Hook (RG27), in the Hart local authority area, South East. Show RG27 9SF on a map.
Other trade companies in RG27
- Clean Perfect LimitedCleaning companies
- Magnoloci LimitedProperty developers
- Hydra Site Services LtdMachinery repair and installation
- Goldridge Group LtdFinishing trades
- Small Works PCB LimitedBuilders
- Eshaness Procurement Advisory LtdCivil engineering
- The Original Box Sash Window Company LtdGroundworks and demolition
- H A Raggett Developments LimitedBuilders
What happens if Hamilton Heating & 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 10469283
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 November 2016 (9 years ago)
- Registered office
- 9 Wild Herons, Hook, RG27 9SF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 7 November 2025
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 Hook
Other active plumbing and heating companies registered in Hook.
- High Peak Plumbing & Heating Limited2024
- Jake Hammerton Limited2025
- Mad Home Improvements Ltd2019
- Pines Plumbing & Heating Limited2015
- Porters PHS Ltd2026
- Propcare Plumbing and Heating Ltd2025
- Propcare Renewables Ltd2025
- S R Hall Limited2002
All plumbing and heating companies in Hook · All trades in Hook · Plumbers and heating engineers across the UK
Frequently asked questions
When are Hamilton Heating & Air Conditioning Ltd's accounts due?
Hamilton Heating & Air Conditioning Ltd's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Hamilton Heating & Air Conditioning Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Hamilton Heating & Air Conditioning Ltd still trading?
Hamilton Heating & 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 Hamilton Heating & Air Conditioning Ltd do?
Hamilton Heating & Air Conditioning Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Hamilton Heating & Air Conditioning Ltd?
Hamilton Heating & Air Conditioning Ltd was incorporated on 8 November 2016, 9 years ago.
What is the penalty if Hamilton Heating & 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 Hamilton Heating & 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.