- Company number
- 03400047
- Incorporated
- 8 Jul 199729 years trading
- Registered office
- 42 Thrush Green , Harrow, London, Thrush Green, Harrow, HA2 6EZ
- Nature of business
- Construction of domestic buildings
Northex Ltd is a 29-year-old private limited company registered in Harrow, company number 03400047, one of 793 building contractors in Harrow. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 unchanged on the year before, at £100.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- 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 |
|---|---|---|---|---|---|
| 31 Jul 2025 | £100 | 0 | |||
| 31 Jul 2024 | £100 | 0 | |||
| 31 Jul 2023 | £100 | 0 | |||
| 31 Jul 2022 | £100 | 0 | |||
| 31 Jul 2021 | £100 | 0 | |||
| 31 Jul 2020 | £100 | 0 | |||
| 31 Jul 2019 | £100 | ||||
| 31 Jul 2018 | £100 | ||||
| 31 Jul 2017 | £100 | £100 | £100 | ||
| 31 Jul 2016 | £100 | £100 | £100 |
Where Northex Ltd is registered
The registered office is in Harrow (HA2), in the Harrow local authority area, London. Show HA2 6EZ on a map.
Other trade companies in HA2
- KJP Engineering LtdElectricians
- JNJ Engineering LimitedCivil engineering
- Notting Hill Sew LtdRepair services
- Grandwellautos LtdMotor traders
- Multisteel Powdercoating LtdPainters and decorators
- Neon Systems LtdElectricians
- Firstclass Facilities LtdCleaning companies
- PMD Construct LtdBuilders
What happens if Northex 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 03400047
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 July 1997 (29 years ago)
- Registered office
- 42 Thrush Green , Harrow, London, Thrush Green, Harrow, HA2 6EZ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 18 July 2026
- Previous names
- Parkway Import/Export Limited (until 12 Dec 2009)
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 Harrow
Other active building contractors registered in Harrow.
- Northvale Builderswork Limited2022
- Nova Outdoor Solutions Limited2009
- Nova VCL Projects Limited2024
- Novamar Construct Ltd2026
- NP Group Construction Ltd2021
- NV Quality Construction Ltd2018
- Nvya Construction Ltd2026
- Nyrolf Groundworker Ltd2021
All building contractors in Harrow · All trades in Harrow · Builders across the UK
Frequently asked questions
When are Northex Ltd's accounts due?
Northex Ltd's next accounts are due at Companies House by 30 April 2027 (in 200 days), covering the period to 31 July 2026.
When is Northex Ltd's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Northex Ltd still trading?
Northex 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 Northex Ltd do?
Northex Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Northex Ltd?
Northex Ltd was incorporated on 8 July 1997, 29 years ago.
What is the penalty if Northex 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 Northex 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.