- Companies
- Installers
- Bristol
- NJ Ductwork Installations Ltd
NJ Ductwork Installations Ltd
- Company number
- 12243475
- Incorporated
- 4 Oct 20197 years trading
- Registered office
- 4 Lewis Road, Bristol, BS13 7JB
- Nature of business
- Other construction installation
NJ Ductwork Installations Ltd is a 7-year-old private limited company registered in Bristol, company number 12243475, one of 245 installation companies (insulation, lifts, shutters and similar) in Bristol. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 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 up £338 (+231.5%) on the year before, to £484.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- 3 employees on average, up from 2 the year before.
- Balance sheets on record for 6 years, 2021 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2026 | £484 | £124K | 3 | ||
| 31 Jan 2025 | £146 | £90K | 2 | ||
| 31 Jan 2024 | £1,166 | £80K | £75K | 2 | |
| 31 Jan 2023 | £38K | £4,986 | £96K | £64K | 2 |
| 31 Jan 2022 | £32K | £1 | £69K | £42K | 2 |
| 31 Jan 2021 | £46K | £3,784 | £105K | £66K | 2 |
Where NJ Ductwork Installations Ltd is registered
The registered office is in Bristol (BS13), in the Bristol, City of local authority area, South West. Show BS13 7JB on a map.
Other trade companies in BS13
- Guardian Lifting Group LtdSpecialist contractors
- Elyn Property LtdPainters and decorators
- Auto Jeitinho LtdMechanics and garages
- Southwest Scaffolding Bristol LtdScaffolders
- Southern Group SW LtdBuilders
- Bristol Master Cleaners LtdCleaning companies
- BSW Roofing & Building LtdRoofers
- M&C Scaffolding LtdScaffolders
What happens if NJ Ductwork Installations 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 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 12243475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 October 2019 (7 years ago)
- Registered office
- 4 Lewis Road, Bristol, BS13 7JB
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 3 October 2025
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Bristol
Other active installation companies (insulation, lifts, shutters and similar) registered in Bristol.
- Northcote Solutions Limited2018
- Oakley Creations Limited2013
- Odd Jobs Solutions Limited2025
- Odr Limited2011
- Old2New Windows and Doors Ltd2026
- Optimal Construction SW Limited2024
- Optrum Ltd2025
- Oscatel Ltd2009
All installation companies (insulation, lifts, shutters and similar) in Bristol · All trades in Bristol · Installers across the UK
Frequently asked questions
When are NJ Ductwork Installations Ltd's accounts due?
NJ Ductwork Installations Ltd's next accounts are due at Companies House by 31 October 2027 (in 384 days), covering the period to 31 January 2027.
When is NJ Ductwork Installations Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is NJ Ductwork Installations Ltd still trading?
NJ Ductwork Installations 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 NJ Ductwork Installations Ltd do?
NJ Ductwork Installations Ltd is registered under Other construction installation (SIC 43290).
How old is NJ Ductwork Installations Ltd?
NJ Ductwork Installations Ltd was incorporated on 4 October 2019, 7 years ago.
What is the penalty if NJ Ductwork Installations 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 NJ Ductwork Installations 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.