- Companies
- Civil engineering
- Cardiff
- NJP Consulting Engineers Limited
NJP Consulting Engineers Limited
- Company number
- 09424906
- Incorporated
- 5 Feb 201511 years trading
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Construction of other civil engineering projects n.e.c.
NJP Consulting Engineers Limited is a 11-year-old private limited company registered in Cardiff, company number 09424906, one of 89 civil engineering contractors in Cardiff. Its next accounts are due at Companies House on 28 May 2027, and the CT600 for the period to 28 August 2026 is due at HMRC on 28 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for NJP Consulting Engineers LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £90K on the year before, to -£89K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £160K against £73K owed within a year: 2.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Aug 2025 | -£89K | £2,931 | £160K | £73K | 0 |
| 29 Feb 2024 | £1,044 | £89K | £266K | £51K | 8 |
| 28 Feb 2023 | £136K | £245K | £501K | £371K | 8 |
| 28 Feb 2022 | £16K | £105K | £257K | £247K | 9 |
| 28 Feb 2021 | £24K | £30K | £178K | £155K | 9 |
| 29 Feb 2020 | £4,295 | £61K | £178K | £175K | 7 |
| 28 Feb 2019 | £758 | £48K | £246K | £247K | 5 |
| 28 Feb 2018 | -£36K | £8,558 | £128K | £167K | 5 |
| 28 Feb 2017 | £29K | £32K | £161K | £138K | 11 |
| 29 Feb 2016 | £117K | £143K | £302K | £193K | 12 |
Where NJP Consulting Engineers Limited is registered
The registered office is in Cardiff (CF3), in the Cardiff local authority area, Wales. Show CF3 5EA on a map.
Other trade companies in CF3
- Ions Trade & Projects LtdInstallers
- Fly Tech LtdMachinery repair and installation
- Dragonfly Site Services LtdSpecialist contractors
- Arc Energy Systems LtdElectricians
- Floyd’S Consultants LtdProperty developers
- Blues Mechanical LtdInstallers
- Climate Control Cardiff LtdPlumbers and heating engineers
- Campo & Co Developments LtdBuilders
Also registered at this address
23 other companies use the same registered office as NJP Consulting Engineers Limited.
- Adl Detailing and Logistics LimitedMechanics and garages
- Atamate Solutions LtdSpecialist contractors
- Citywide Auto Centres LimitedMechanics and garages
- Copper Kite Developments 2.0 LimitedProperty developers
- Davies Brothers (Holdings) LimitedFinishing trades
- Drojan Commercial Window Cleaning LimitedCleaning companies
- Ep Motor Sales LimitedMotor traders
- Hier Estates LimitedBuilders
- Humblebrick LimitedBuilders
- Knott Construction Consultancy LimitedSpecialist contractors
- Leather Academy LtdRepair services
- Maintain-Ants LimitedFacilities management
- MTV Developments LimitedProperty developers
- Penylan Heating LimitedPlumbers and heating engineers
- Probert & Mumford LimitedFinishing trades
- Reg Construction LimitedBuilders
- Richard Sutton LimitedSpecialist contractors
- Sarjan LimitedProperty developers
- Seel Auctions LtdProperty developers
- Spire Renewables LimitedPlumbers and heating engineers
- Start Bay Developments (Prideaux) LimitedProperty developers
- Start Bay Developments LimitedProperty developers
- Trade Right Cars (Cardiff) LimitedMotor traders
What happens if NJP Consulting Engineers 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 28 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 29 May 2027 to 28 Jun 2027 | £150 |
| 1 to 3 months late | 29 Jun 2027 to 28 Aug 2027 | £375 |
| 3 to 6 months late | 29 Aug 2027 to 28 Nov 2027 | £750 |
| More than 6 months late | From 29 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Aug 2027 | £200 |
| 3 months late | 28 Nov 2027 | another £200 |
| 6 months late | 28 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 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
- 09424906
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2015 (11 years ago)
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, CF3 5EA
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 August 2025
- Last confirmation statement
- 19 February 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Cardiff
Other active civil engineering contractors registered in Cardiff.
- Peachey Rail Ltd2018
- Penman Civil Engineering Limited2014
- PMS Building Consultants Limited2009
- Qcam Ltd2020
- R Matthews Contracting Limited2007
- Renew Construction Services Limited2022
- Rolling Stock Solutions Ltd.2014
- Rowan QS Services Ltd2016
All civil engineering contractors in Cardiff · All trades in Cardiff · Civil engineering across the UK
Frequently asked questions
When are NJP Consulting Engineers Limited's accounts due?
NJP Consulting Engineers Limited's next accounts are due at Companies House by 28 May 2027 (in 227 days), covering the period to 28 August 2026.
When is NJP Consulting Engineers Limited's CT600 due?
The CT600 for the period to 28 August 2026 is due at HMRC by 28 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 29 May 2027.
Is NJP Consulting Engineers Limited still trading?
NJP Consulting Engineers 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 NJP Consulting Engineers Limited do?
NJP Consulting Engineers Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is NJP Consulting Engineers Limited?
NJP Consulting Engineers Limited was incorporated on 5 February 2015, 11 years ago.
What is the penalty if NJP Consulting Engineers 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 NJP Consulting Engineers 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.