- Company number
- 13197504
- Incorporated
- 11 Feb 20215 years trading
- Registered office
- Park House, Willmington Street, Leeds, LS7 2BP
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
NJK Builders Ltd is a 5-year-old private limited company registered in Leeds, company number 13197504, one of 532 building contractors in Leeds. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £2,337 (+136.7%) on the year before, to £4,047.
- Net assets rose in 2 of 3 year-on-year comparisons on record.
- Current assets of £90K against £97K owed within a year: 0.9 times cover.
- 2 employees on average, up from 1 the year before.
- Balance sheets on record for 4 years, 2022 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £4,047 | £15K | £90K | £97K | 2 |
| 29 Feb 2024 | £1,710 | £12K | £99K | £111K | 1 |
| 28 Feb 2023 | £43K | £74K | £157K | £130K | 1 |
| 28 Feb 2022 | £36K | £15K | £85K | £69K | 1 |
Where NJK Builders Ltd is registered
The registered office is in Leeds (LS7), in the Leeds local authority area, Yorkshire and The Humber. Show LS7 2BP on a map.
Other trade companies in LS7
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- Fast Lane Autoworks LtdMechanics and garages
- SK Developments & Projects LtdProperty developers
- Wenmore Holdings LtdProperty developers
- Bek Plumbing & Heating LimitedPlumbers and heating engineers
- Sparkalish LtdCleaning companies
- Carolan Brickwork LtdSpecialist contractors
- Runway Dev CW7 LtdProperty developers
Also registered at this address
17 other companies use the same registered office as NJK Builders Ltd.
- Ash Motors LtdMotor traders
- Avs UK Developments LtdProperty developers
- DIY Trade Future LtdSpecialist contractors
- DNS Stones LimitedProperty developers
- Glamz Developers LtdProperty developers
- Halifax Prestige LtdMechanics and garages
- Motonex LtdMotor traders
- P&G Tech LtdRepair services
- Raf Building Solutions LtdBuilders
- Runway Construction LtdBuilders
- Runway Dev CW7 LtdProperty developers
- Runway Dev Wa1 LtdProperty developers
- Runway Dev Wa13 LtdProperty developers
- Runway Dev Wa4 LtdProperty developers
- Runway Developments LtdProperty developers
- Signature Group LimitedMotor traders
- Veretto LtdPlumbers and heating engineers
What happens if NJK Builders 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 13197504
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2021 (5 years ago)
- Registered office
- Park House, Willmington Street, Leeds, LS7 2BP
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 10 February 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Leeds
Other active building contractors registered in Leeds.
- NN1 Invest Limited2020
- Northbuilds Developments Limited2025
- Northvale Developments Limited2020
- Novacraft Contractors Ltd2025
- NPP Developments Ltd2016
- Oakley Builders Leeds Limited2025
- Ojr Groundwork's Ltd2026
- Olympia Projects Limited2013
All building contractors in Leeds · All trades in Leeds · Builders across the UK
Frequently asked questions
When are NJK Builders Ltd's accounts due?
NJK Builders Ltd's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is NJK Builders Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is NJK Builders Ltd still trading?
NJK Builders 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 NJK Builders Ltd do?
NJK Builders Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is NJK Builders Ltd?
NJK Builders Ltd was incorporated on 11 February 2021, 5 years ago.
What is the penalty if NJK Builders 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 NJK Builders 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.