- Companies
- Installers
- Middlesbrough
- Northline Mechanical Ltd
Northline Mechanical Ltd
- Company number
- 17483159
- Incorporated
- 26 Sep 2026
- Registered office
- 18 Elvey Lane, Middlesbrough, TS8 9GT
- Nature of business
- Other construction installation
Northline Mechanical Ltd is a newly incorporated private limited company registered in Middlesbrough, company number 17483159, one of 97 installation companies (insulation, lifts, shutters and similar) in Middlesbrough. Its next accounts are due at Companies House on 26 June 2028, and its first CT600 is due at HMRC on 25 September 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Northline Mechanical Ltd is registered
The registered office is in Middlesbrough (TS8), in the Middlesbrough local authority area, North East. Show TS8 9GT on a map.
Other trade companies in TS8
- Brook M LtdBuilders
- Rackelp LtdPainters and decorators
- JJC Cars LimitedMechanics and garages
- JM Rigging LtdInstallers
- Accomodax LimitedPainters and decorators
- Spencerbeck Cleaning Services & Supplies LtdCleaning companies
- JS Rigging LtdInstallers
- Ben Dismore LtdMachinery repair and installation
What happens if Northline Mechanical 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 26 June 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 27 Jun 2028 to 26 Jul 2028 | £150 |
| 1 to 3 months late | 27 Jul 2028 to 26 Sep 2028 | £375 |
| 3 to 6 months late | 27 Sep 2028 to 26 Dec 2028 | £750 |
| More than 6 months late | From 27 Dec 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2028 | £200 |
| 3 months late | 30 Dec 2028 | another £200 |
| 6 months late | 30 Mar 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 17483159
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2026
- Registered office
- 18 Elvey Lane, Middlesbrough, TS8 9GT
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
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 Middlesbrough
Other active installation companies (insulation, lifts, shutters and similar) registered in Middlesbrough.
- Oc - Insulations Ltd2025
- Pac Vent Ltd2018
- Pbsbt Limited2014
- Precision Site Services Ltd2025
- R.C. Ayres Building & Roofing Services Limited1973
- Rastic Constructions Ltd2026
- Refresh Property Renovations Ltd2022
- Rigger Shackle Ltd2022
All installation companies (insulation, lifts, shutters and similar) in Middlesbrough · All trades in Middlesbrough · Installers across the UK
Frequently asked questions
When are Northline Mechanical Ltd's accounts due?
Northline Mechanical Ltd's next accounts are due at Companies House by 26 June 2028 (in 622 days), covering the period to 30 September 2027.
When is Northline Mechanical Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 25 September 2027, due by 25 September 2028, and one for the period to 30 September 2027, due by 30 September 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Northline Mechanical Ltd still trading?
Northline Mechanical 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 Northline Mechanical Ltd do?
Northline Mechanical Ltd is registered under Other construction installation (SIC 43290).
How old is Northline Mechanical Ltd?
Northline Mechanical Ltd was incorporated on 26 September 2026, less than a year ago.
What is the penalty if Northline Mechanical 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 Northline Mechanical 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.