- Companies
- Plumbers and heating engineers
- Chesterfield
- NJM London Ltd
NJM London Ltd
- Company number
- 11168464
- Incorporated
- 24 Jan 20188 years trading
- Registered office
- 7 Sedgemore Close, Chesterfield, S40 4QD
- Nature of business
- Plumbing, heat and air-conditioning installation; Other construction installation
NJM London Ltd is a 8-year-old private limited company registered in Chesterfield, company number 11168464, one of 115 plumbing and heating companies in Chesterfield. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 down £35K (-204%) on the year before, to -£18K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £208K against £205K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£18K | £592 | £208K | £205K | 1 |
| 31 Jan 2024 | £17K | £1,036 | £208K | £169K | 1 |
| 31 Jan 2023 | -£33K | £6,539 | £163K | £170K | 2 |
| 31 Jan 2022 | £724 | £3,634 | £86K | £42K | 2 |
| 31 Jan 2021 | £654 | £10K | £65K | £67K | 1 |
| 31 Jan 2020 | £504 | £12K | £39K | £43K | 1 |
| 31 Jan 2019 | £23K | £2,723 | £23K | £6,957 | 1 |
Where NJM London Ltd is registered
The registered office is in Chesterfield (S40), in the Chesterfield local authority area, East Midlands. Show S40 4QD on a map.
Other trade companies in S40
- Ati Tyres Chesterfield LtdMechanics and garages
- UK MCM Trading LimitedMotor traders
- MGV Auto Parts LimitedMotor traders
- KMPL LimitedCleaning companies
- Bluz LimitedCleaning companies
- Eversafe Bathrooms LtdPlumbers and heating engineers
- Marpe Professional Cleaning Services LimitedCleaning companies
- MZ 19 LimitedMotor traders
What happens if NJM London 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 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
- 11168464
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 January 2018 (8 years ago)
- Registered office
- 7 Sedgemore Close, Chesterfield, S40 4QD
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 28 January 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 Chesterfield
Other active plumbing and heating companies registered in Chesterfield.
- NTP Plumbing and Heating Ltd2023
- Opus Plumbing and Heating Limited2019
- P Cotterill Plumbing and Heating Limited2002
- Parr Plumbing (Midlands) Ltd2023
- Paul Caton Gas & Oil Services Ltd2018
- Paul's Heating & Plumbing Ltd2022
- Peaceward Building Services Ltd2017
- Peaceward Mechanical Ltd2018
All plumbing and heating companies in Chesterfield · All trades in Chesterfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are NJM London Ltd's accounts due?
NJM London Ltd's next accounts are due at Companies House by 31 October 2026 (in 17 days), covering the period to 31 January 2026.
When is NJM London Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is NJM London Ltd still trading?
NJM London 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 NJM London Ltd do?
NJM London Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is NJM London Ltd?
NJM London Ltd was incorporated on 24 January 2018, 8 years ago.
What is the penalty if NJM London 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 NJM London 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.