- Companies
- Plumbers and heating engineers
- Sheffield
- CSH HVAC Services Ltd
CSH HVAC Services Ltd
- Company number
- 10361890
- Incorporated
- 7 Sep 201610 years trading
- Registered office
- Unit 7 50 Rother Valley Way, Holbrook, Sheffield, S20 3RW
- Nature of business
- Plumbing, heat and air-conditioning installation
CSH HVAC Services Ltd is a 10-year-old private limited company registered in Sheffield, company number 10361890, one of 305 plumbing and heating companies in Sheffield. Its next accounts are due at Companies House on 29 June 2027, and the CT600 for the period to 29 September 2026 is due at HMRC on 29 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 £349K (+808.9%) on the year before, to £392K.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £547K against £258K owed within a year: 2.1 times cover.
- 4 employees on average, down from 5 the year before.
- 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 |
|---|---|---|---|---|---|
| 29 Sep 2025 | £392K | £280K | £547K | £258K | 4 |
| 29 Sep 2024 | £43K | £10K | £265K | £292K | 5 |
| 29 Sep 2023 | £48K | £60K | £392K | £329K | 7 |
| 29 Sep 2022 | £39K | £34K | £248K | £148K | 8 |
| 29 Sep 2021 | £186K | £52K | £603K | £399K | 6 |
| 29 Sep 2020 | £12K | £4,638 | £82K | £44K | 5 |
| 29 Sep 2019 | £9,943 | £24K | £28K | £40K | 4 |
| 29 Sep 2018 | £22K | £41K | £40K | ||
| 30 Sep 2017 | £1,703 | £32K | £36K |
Where CSH HVAC Services Ltd is registered
The registered office is in Sheffield (S20), in the Sheffield local authority area, Yorkshire and The Humber. Show S20 3RW on a map.
Other trade companies in S20
- Door to Dormer LtdBuilders
- MBR Gas Solutions LtdPlumbers and heating engineers
- Surge Electrical & Security South Yorksire LtdElectricians
- MD Construction and Builders LimitedProperty developers
- Perdix Scaffolding & Access LtdInstallers
- Elemental Trade Services LtdPlumbers and heating engineers
- MTS Automation LtdElectricians
- K M Scaffolding Services LtdScaffolders
What happens if CSH HVAC 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 29 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Jun 2027 to 29 Jul 2027 | £150 |
| 1 to 3 months late | 30 Jul 2027 to 29 Sep 2027 | £375 |
| 3 to 6 months late | 30 Sep 2027 to 29 Dec 2027 | £750 |
| More than 6 months late | From 30 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Sep 2027 | £200 |
| 3 months late | 29 Dec 2027 | another £200 |
| 6 months late | 29 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Sep 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
- 10361890
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 September 2016 (10 years ago)
- Registered office
- Unit 7 50 Rother Valley Way, Holbrook, Sheffield, S20 3RW
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 29 September (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 September 2025
- Last confirmation statement
- 6 September 2025
- Charges (mortgages)
- 3 outstanding of 4 registered
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 Sheffield
Other active plumbing and heating companies registered in Sheffield.
- CT Gas Services Ltd2023
- Cull’S Climate Solutions Ltd2019
- CW Plumbing & Heating (Sheffield) Limited2007
- D C Heating (South Yorkshire) Ltd2019
- D J Allen Plumbing & Heating Limited2014
- D O Flaherty Limited2013
- D2 Plumbing & Heating Ltd2026
- Daa'd Engineering Services Ltd2020
All plumbing and heating companies in Sheffield · All trades in Sheffield · Plumbers and heating engineers across the UK
Frequently asked questions
When are CSH HVAC Services Ltd's accounts due?
CSH HVAC Services Ltd's next accounts are due at Companies House by 29 June 2027 (in 259 days), covering the period to 29 September 2026.
When is CSH HVAC Services Ltd's CT600 due?
The CT600 for the period to 29 September 2026 is due at HMRC by 29 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 June 2027.
Is CSH HVAC Services Ltd still trading?
CSH HVAC Services Ltd is listed as active on the Companies House register (checked 13 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 CSH HVAC Services Ltd do?
CSH HVAC Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is CSH HVAC Services Ltd?
CSH HVAC Services Ltd was incorporated on 7 September 2016, 10 years ago.
What is the penalty if CSH HVAC 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 CSH HVAC Services Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.