- Companies
- Plumbers and heating engineers
- H. Sanderson Air Conditioning Services Ltd
H. Sanderson Air Conditioning Services Ltd
- Company number
- 15399227
- Incorporated
- 9 Jan 20242 years trading
- Registered office
- 1ST Floor, 143 Connaught Avenue, Frinton on Sea, Essex, CO13 9AB
- Nature of business
- Plumbing, heat and air-conditioning installation
H. Sanderson Air Conditioning Services Ltd is a 2-year-old private limited company registered in Frinton on Sea, company number 15399227, one of the UK's plumbing and heating companies. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
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 £500 (+127.6%) on the year before, to £892.
- Current assets of £10K against £11K owed within a year: 0.9 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £892 | £10K | £11K | 1 | |
| 31 Jan 2025 | £392 | £2,128 | £4,152 | 1 |
Where H. Sanderson Air Conditioning Services Ltd is registered
The registered office is in Frinton on Sea (CO13), in the Tendring local authority area, East of England. Show CO13 9AB on a map.
Other trade companies in CO13
- Bethell’S Renewables LtdInstallers
- KML Electrical Installation LtdElectricians
- Apr Drainage&Leak Detection LtdCleaning companies
- Complete Care Facilities Management LimitedFacilities management
- Neat Narrative Co LtdCleaning companies
- CG Plastering LtdPlasterers
- Silverwood Property Group LtdProperty developers
- Nicholas Dominic LtdSpecialist contractors
Also registered at this address
7 other companies use the same registered office as H. Sanderson Air Conditioning Services Ltd.
- Crowther Homes and Heating LtdPlumbers and heating engineers
- Dent-Free LimitedMechanics and garages
- Ebmg LimitedBuilders
- Essex Building and Maintenance Company LimitedProperty developers
- Falcon Glazing LimitedGlaziers
- Infinity Environmental LimitedMachinery repair and installation
- WL. Painting & Decorating LtdPainters and decorators
What happens if H. Sanderson Air Conditioning 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 15399227
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 January 2024 (2 years ago)
- Registered office
- 1ST Floor, 143 Connaught Avenue, Frinton on Sea, Essex, CO13 9AB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 8 January 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
Other active plumbing and heating companies.
Frequently asked questions
When are H. Sanderson Air Conditioning Services Ltd's accounts due?
H. Sanderson Air Conditioning Services Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is H. Sanderson Air Conditioning Services Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is H. Sanderson Air Conditioning Services Ltd still trading?
H. Sanderson Air Conditioning 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 H. Sanderson Air Conditioning Services Ltd do?
H. Sanderson Air Conditioning Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is H. Sanderson Air Conditioning Services Ltd?
H. Sanderson Air Conditioning Services Ltd was incorporated on 9 January 2024, 2 years ago.
What is the penalty if H. Sanderson Air Conditioning 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 H. Sanderson Air Conditioning 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.