- Companies
- Plumbers and heating engineers
- Maidstone
- NJ Gas and Mechanical Services Limited
NJ Gas and Mechanical Services Limited
- Company number
- 11869088
- Incorporated
- 8 Mar 20197 years trading
- Registered office
- 8 Heathorn Street, Maidstone, Kent, ME14 5AQ
- Nature of business
- Plumbing, heat and air-conditioning installation
NJ Gas and Mechanical Services Limited is a 7-year-old private limited company registered in Maidstone, company number 11869088, one of 124 plumbing and heating companies in Maidstone. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £4,052 (-60.9%) on the year before, to £2,598.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £23K against £17K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £2,598 | £5,562 | £23K | £17K | 2 |
| 31 Mar 2025 | £6,650 | £42 | £35K | £25K | 2 |
| 31 Mar 2024 | £50K | £1,632 | £76K | £21K | 3 |
| 31 Mar 2023 | £48K | £1,250 | £83K | £29K | 3 |
| 31 Mar 2022 | £18K | £4,711 | £43K | £18K | 3 |
| 31 Mar 2021 | £439 | £7,746 | £24K | £7,368 | 1 |
| 31 Mar 2020 | £341 | £3,246 | £14K | £15K | 1 |
Where NJ Gas and Mechanical Services Limited is registered
The registered office is in Maidstone (ME14), in the Maidstone local authority area, South East. Show ME14 5AQ on a map.
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What happens if NJ Gas and Mechanical 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 31 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 11869088
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 March 2019 (7 years ago)
- Registered office
- 8 Heathorn Street, Maidstone, Kent, ME14 5AQ
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 7 March 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 Maidstone
Other active plumbing and heating companies registered in Maidstone.
- North Pole Energy Ltd2006
- Ojb and Son Limited2013
- P E Services (Kent) Limited2011
- Pae Plumbing & Heating Limited2013
- Paul Goddard Plumbing and Heating Services Limited2010
- PCH Mechanical Services Limited2016
- Pe60Gas Ltd2018
- Pearl Air Conditioning Ltd2026
All plumbing and heating companies in Maidstone · All trades in Maidstone · Plumbers and heating engineers across the UK
Frequently asked questions
When are NJ Gas and Mechanical Services Limited's accounts due?
NJ Gas and Mechanical Services Limited's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is NJ Gas and Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is NJ Gas and Mechanical Services Limited still trading?
NJ Gas and Mechanical 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 NJ Gas and Mechanical Services Limited do?
NJ Gas and Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is NJ Gas and Mechanical Services Limited?
NJ Gas and Mechanical Services Limited was incorporated on 8 March 2019, 7 years ago.
What is the penalty if NJ Gas and Mechanical 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 NJ Gas and Mechanical 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.