- Companies
- Plumbers and heating engineers
- Swindon
- JJ'S Plumbing & Heating Limited
JJ'S Plumbing & Heating Limited
- Company number
- 10941894
- Incorporated
- 1 Sep 20179 years trading
- Registered office
- 24 Juno Way, Swindon, SN5 8ZD
- Nature of business
- Plumbing, heat and air-conditioning installation
JJ'S Plumbing & Heating Limited is a 9-year-old private limited company registered in Swindon, company number 10941894, one of 164 plumbing and heating companies in Swindon. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 2026.
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 £741 (-30.8%) on the year before, to £1,662.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £50K against £77K owed within a year: 0.6 times cover.
- 4 employees on average, up from 3 the year before.
- Balance sheets on record for 7 years, 2018 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2024 | £1,662 | £50K | £77K | 4 | |
| 31 Oct 2023 | £2,403 | £40K | £52K | 3 | |
| 31 Oct 2022 | £1,626 | £30K | £34K | 3 | |
| 31 Oct 2021 | £380 | £34K | £34K | 3 | |
| 31 Oct 2020 | -£643 | £33K | £20K | 3 | |
| 31 Oct 2019 | -£3,195 | £23K | £81K | 2 | |
| 31 Oct 2018 | £1,845 | £47K | £51K |
Where JJ'S Plumbing & Heating Limited is registered
The registered office is in Swindon (SN5), in the Swindon local authority area, South West. Show SN5 8ZD on a map.
Other trade companies in SN5
- Pye Landworks LtdLandscapers and gardeners
- Valley View Construction LtdBuilders
- Rideout Electrical LtdElectricians
- Xyq LtdBuilders
- Patch & Polish by the Sadlers LtdInstallers
- BXM Automotive Assets LimitedMotor traders
- D L Heating and Cooling LtdPlumbers and heating engineers
- Andy Gardening Services LtdLandscapers and gardeners
What happens if JJ'S Plumbing & Heating 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 10941894
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 September 2017 (9 years ago)
- Registered office
- 24 Juno Way, Swindon, SN5 8ZD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 27 July 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 Swindon
Other active plumbing and heating companies registered in Swindon.
- JR Heat Ltd2023
- JSK Heating Services Ltd2019
- 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
All plumbing and heating companies in Swindon · All trades in Swindon · Plumbers and heating engineers across the UK
Frequently asked questions
When are JJ'S Plumbing & Heating Limited's accounts due?
JJ'S Plumbing & Heating Limited's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is JJ'S Plumbing & Heating Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JJ'S Plumbing & Heating Limited still trading?
JJ'S Plumbing & Heating Limited 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 JJ'S Plumbing & Heating Limited do?
JJ'S Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JJ'S Plumbing & Heating Limited?
JJ'S Plumbing & Heating Limited was incorporated on 1 September 2017, 9 years ago.
What is the penalty if JJ'S Plumbing & Heating 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 JJ'S Plumbing & Heating Limited 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.