- Companies
- Plumbers and heating engineers
- Bridgend
- CS Heat & Combustion Services Limited
CS Heat & Combustion Services Limited
- Company number
- 10624480
- Incorporated
- 16 Feb 20179 years trading
- Registered office
- Unit 49 Heol Persondy, Aberkenfig, Bridgend, CF32 9TF
- Nature of business
- Plumbing, heat and air-conditioning installation
CS Heat & Combustion Services Limited is a 9-year-old private limited company registered in Bridgend, company number 10624480, one of 46 plumbing and heating companies in Bridgend. Its next accounts are due at Companies House on 26 November 2026, and the CT600 for the period to 26 February 2026 is due at HMRC on 26 February 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CS Heat & Combustion Services LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £3,725 (-96.6%) on the year before, to £133.
- Net assets rose in 4 of 7 year-on-year comparisons on record.
- Current assets of £71K against £70K owed within a year: 1.0 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 26 Feb 2025 | £133 | £41K | £71K | £70K | 1 |
| 26 Feb 2024 | £3,858 | £120K | £104K | 2 | |
| 27 Feb 2023 | -£1,778 | £125K | £109K | 2 | |
| 28 Feb 2022 | -£1,817 | £114K | £90K | 3 | |
| 28 Feb 2021 | £3,141 | £95K | £64K | 2 | |
| 29 Feb 2020 | £16K | £33K | £32K | 3 | |
| 28 Feb 2019 | £6,180 | £12K | £21K | ||
| 28 Feb 2018 | £1,134 | £13K | £31K |
Where CS Heat & Combustion Services Limited is registered
The registered office is in Bridgend (CF32), in the Bridgend local authority area, Wales. Show CF32 9TF on a map.
Other trade companies in CF32
- Stone & Frame Construction LtdBuilders
- D Hopkin Agri Services LtdMechanics and garages
- Am Property Consultancy LtdSpecialist contractors
- Cefn Cribwr Garage LtdMotor traders
- South Wales Air Conditioning LimitedPlumbers and heating engineers
- Brynmenyn Autos LtdMechanics and garages
- Drain Star LtdBuilders
- RLL Electrical LtdElectricians
What happens if CS Heat & Combustion Services Limited 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 26 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Nov 2026 to 26 Dec 2026 | £150 |
| 1 to 3 months late | 27 Dec 2026 to 26 Feb 2027 | £375 |
| 3 to 6 months late | 27 Feb 2027 to 26 May 2027 | £750 |
| More than 6 months late | From 27 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 27 Feb 2027 | £200 |
| 3 months late | 26 May 2027 | another £200 |
| 6 months late | 26 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 26 Feb 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
- 10624480
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 February 2017 (9 years ago)
- Registered office
- Unit 49 Heol Persondy, Aberkenfig, Bridgend, CF32 9TF
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 26 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 26 February 2025
- Last confirmation statement
- 10 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 Bridgend
Other active plumbing and heating companies registered in Bridgend.
- D & M Mechanical Engineers Limited2010
- David B Francis Limited2003
- Draintech Surveys Limited2007
- Eric Collier & Son Gas Engineers Limited2010
- G W Luke Plumbing and Heating Ltd2020
- G.H.H. Gas Services Ltd2020
- Geco Services Ltd2025
- Gibson Energy Services Limited2025
All plumbing and heating companies in Bridgend · All trades in Bridgend · Plumbers and heating engineers across the UK
Frequently asked questions
When are CS Heat & Combustion Services Limited's accounts due?
CS Heat & Combustion Services Limited's next accounts are due at Companies House by 26 November 2026 (in 44 days), covering the period to 26 February 2026.
When is CS Heat & Combustion Services Limited's CT600 due?
The CT600 for the period to 26 February 2026 is due at HMRC by 26 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 27 November 2026.
Is CS Heat & Combustion Services Limited still trading?
CS Heat & Combustion Services Limited 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 CS Heat & Combustion Services Limited do?
CS Heat & Combustion Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is CS Heat & Combustion Services Limited?
CS Heat & Combustion Services Limited was incorporated on 16 February 2017, 9 years ago.
What is the penalty if CS Heat & Combustion Services Limited 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 CS Heat & Combustion Services Limited 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.