- Companies
- Plumbers and heating engineers
- London
- JSP Gas Limited
JSP Gas Limited
- Company number
- 10916475
- Incorporated
- 15 Aug 20179 years trading
- Registered office
- 52 Cazenove Road, London, N16 6BJ
- Nature of business
- Plumbing, heat and air-conditioning installation
JSP Gas Limited is a 9-year-old private limited company registered in London, company number 10916475, one of 2,972 plumbing and heating companies in London. 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.
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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 £17K (+287.1%) on the year before, to £11K.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £13K against £12K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Aug 2025 | £11K | £0 | £13K | £12K | 1 |
| 31 Aug 2024 | -£5,966 | £7,566 | £31K | £32K | 1 |
| 31 Aug 2023 | -£1,543 | £5,538 | £31K | £25K | 1 |
| 31 Aug 2022 | -£11K | £8,486 | £9,786 | £21K | 1 |
| 31 Aug 2021 | £7,176 | £9,763 | £11K | £4,297 | 1 |
| 31 Aug 2020 | £100 | £100 | 1 | ||
| 31 Aug 2019 | £145 | £145 | £0 | 0 | |
| 31 Aug 2018 | £145 | £750 | £605 |
Where JSP Gas Limited is registered
The registered office is in London (N16), in the Hackney local authority area, London. Show N16 6BJ on a map.
Other trade companies in N16
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- RSV2Cleaning LtdCleaning companies
- Tura Property Solutions LtdBuilders
- Stokey Group LtdPlumbers and heating engineers
- Core Maintenance London LtdFinishing trades
- JSW Bathrooms LimitedElectricians
- Y.E.D. Building and Construction Services LtdPlumbers and heating engineers
- Olga Services LtdBuilders
What happens if JSP Gas 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 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
- 10916475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 August 2017 (9 years ago)
- Registered office
- 52 Cazenove Road, London, N16 6BJ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 10 August 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 London
Other active plumbing and heating companies registered in London.
- JST Trades Ltd2026
- JSW Plumbing & Heating Ltd2026
- JTK Limited2023
- JTM Maintenance Ltd2018
- Julidesign Architecture Services Ltd2021
- Just Cool Air Condition and Refrigeration Ltd2026
- Just Fix Ltd2020
- Just Pro Ltd2026
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are JSP Gas Limited's accounts due?
JSP Gas Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is JSP Gas Limited'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 JSP Gas Limited still trading?
JSP Gas 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 JSP Gas Limited do?
JSP Gas Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is JSP Gas Limited?
JSP Gas Limited was incorporated on 15 August 2017, 9 years ago.
What is the penalty if JSP Gas 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 JSP Gas 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.