- Companies
- Plumbers and heating engineers
- Swindon
- JSK Heating Services Ltd
JSK Heating Services Ltd
- Company number
- 12173372
- Incorporated
- 26 Aug 20197 years trading
- Registered office
- Vicarage Court, 160 Ermin Street, Swindon, SN3 4NE
- Nature of business
- Plumbing, heat and air-conditioning installation
JSK Heating Services Ltd is a 7-year-old private limited company registered in Swindon, company number 12173372, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 JSK Heating Services LtdOr 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 £17K (-44.7%) on the year before, to £21K.
- Net assets rose in 3 of 5 year-on-year comparisons on record.
- Current assets of £48K against £27K owed within a year: 1.8 times cover.
- 3 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | £21K | £48K | £27K | 3 | |
| 31 Aug 2024 | £37K | £45K | £8,026 | 3 | |
| 31 Aug 2023 | £38K | £66K | £30K | 3 | |
| 31 Aug 2022 | £25K | £56K | £35K | 3 | |
| 31 Aug 2021 | £18K | £53K | £41K | 2 | |
| 31 Aug 2020 | £6,730 | £35K | £36K | 2 |
Where JSK Heating Services Ltd is registered
The registered office is in Swindon (SN3), in the Swindon local authority area, South West. Show SN3 4NE on a map.
Other trade companies in SN3
- Spark-Clean Business Solutions LtdCleaning companies
- Stars Commercial and Cesidential Cleaning Services LtdCleaning companies
- Sam Simply Sorts LtdCleaning companies
- Westbridge Automotive LtdMotor traders
- H H Autos LimitedMotor traders
- DTH Construction LtdBuilders
- Saf Motor Group LtdMotor traders
- Noel Joy LtdMachinery repair and installation
Shared registered office
50 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if JSK Heating 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 12173372
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 August 2019 (7 years ago)
- Registered office
- Vicarage Court, 160 Ermin Street, Swindon, SN3 4NE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 30 June 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 Swindon
Other active plumbing and heating companies registered in Swindon.
- Kay Plumbing Solutions Ltd2021
- King Building Services Ltd2023
- Kingsbury Heating & Plumbing Ltd2016
- L & E Grange Limited2013
- L.A. Plumbing & Heating (Swindon) Limited2014
- Lakeside Kitchens & Bathrooms Ltd2026
- LB Diamond Services Ltd2017
- LD Heating Services Limited2021
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are JSK Heating Services Ltd's accounts due?
JSK Heating Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is JSK Heating Services Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is JSK Heating Services Ltd still trading?
JSK Heating 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 JSK Heating Services Ltd do?
JSK Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JSK Heating Services Ltd?
JSK Heating Services Ltd was incorporated on 26 August 2019, 7 years ago.
What is the penalty if JSK Heating 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 JSK Heating 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.