- Company number
- 12456916
- Incorporated
- 11 Feb 20206 years trading
- Registered office
- Leigh House, 28-32 ST. Pauls Street, Leeds, LS1 2JT
- Nature of business
- Construction of domestic buildings
NN1 Invest Limited is a 6-year-old private limited company registered in Leeds, company number 12456916, one of 532 building contractors in Leeds. Companies House shows its accounts as overdue: they were due on 31 May 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where NN1 Invest Limited is registered
The registered office is in Leeds (LS1), in the Leeds local authority area, Yorkshire and The Humber. Show LS1 2JT on a map.
Other trade companies in LS1
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- Kleos Homes LtdBuilders
- Hillco Construction LtdBuilders
- Ironpeak Roofing Services LtdRoofers
- Anchorstone Construct LimitedBuilders
- Luxe Cleanings Services LtdCleaning companies
- Ajel Properties LimitedProperty developers
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Also registered at this address
15 other companies use the same registered office as NN1 Invest Limited.
- Avanta Holdings LtdMotor traders
- Bennett’S Automotive Repair LtdMechanics and garages
- Casablanca Development Phase One LimitedProperty developers
- Control System Realisation LimitedSpecialist contractors
- Konstruct Ne LimitedSpecialist contractors
- Lika Estates LimitedProperty developers
- MB Decor (Yorkshire) LimitedPainters and decorators
- Oatlands Tyre & Motor Company LimitedMechanics and garages
- Phoenix Roofclad LimitedRoofers
- Resinfloorcoatingsuk.Com LimitedFloor and wall tilers
- Rural Construction LimitedProperty developers
- Ssad Developments LimitedProperty developers
- Taylor-Jones LimitedFinishing trades
- Terzetto LimitedFloor and wall tilers
- V & E Joiners LimitedJoiners and carpenters
What happens if NN1 Invest Limited files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2026 to 30 Jun 2026 | £150 |
| 1 to 3 months late | 1 Jul 2026 to 31 Aug 2026 | £375 |
| 3 to 6 months late | 1 Sep 2026 to 30 Nov 2026 | £750 |
| More than 6 months late | From 1 Dec 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2026 | £200 |
| 3 months late | 30 Nov 2026 | another £200 |
| 6 months late | 28 Feb 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2027 | 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
- 12456916
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 February 2020 (6 years ago)
- Registered office
- Leigh House, 28-32 ST. Pauls Street, Leeds, LS1 2JT
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 29 February 2024
- 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.
- Northbuilds Developments Limited2025
- Northvale Developments Limited2020
- Novacraft Contractors Ltd2025
- NPP Developments Ltd2016
- Oakley Builders Leeds Limited2025
- Ojr Groundwork's Ltd2026
- Olympia Projects Limited2013
- Om Electrical & General Building Ltd2025
All building contractors in Leeds · All trades in Leeds · Builders across the UK
Frequently asked questions
When are NN1 Invest Limited's accounts due?
NN1 Invest Limited's accounts were due at Companies House on 31 May 2026 and the register shows them as overdue.
When is NN1 Invest Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 28 February 2025, due by 28 February 2026, and one for the period to 31 August 2025, due by 31 August 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is NN1 Invest Limited still trading?
NN1 Invest Limited is listed as active on the Companies House register (checked 13 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 NN1 Invest Limited do?
NN1 Invest Limited is registered under Construction of domestic buildings (SIC 41202).
How old is NN1 Invest Limited?
NN1 Invest Limited was incorporated on 11 February 2020, 6 years ago.
What is the penalty if NN1 Invest 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 NN1 Invest Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.