- Company number
- 15899416
- Incorporated
- 15 Aug 20242 years trading
- Registered office
- 470A Green Lanes, London, N13 5PA
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Construction 100 UK Ltd is a 2-year-old private limited company registered in London, company number 15899416, one of 12,075 building contractors in London. Companies House shows its accounts as overdue: they were due on 15 August 2026.
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 Construction 100 UK Ltd is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 5PA on a map.
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Also registered at this address
14 other companies use the same registered office as Construction 100 UK Ltd.
- Bicaku Construction LimitedBuilders
- Bogson Construction LimitedGroundworks and demolition
- Cars With Stars LimitedMechanics and garages
- Cleaning Company London UK LtdCleaning companies
- Clearmotive Cars LimitedMotor traders
- D&C Vehicle Solutions LtdMechanics and garages
- East Anglian Carpentry LimitedSpecialist contractors
- NK Services London LimitedProperty developers
- Purrco Developments UK LtdProperty developers
- Sandarov LtdFinishing trades
- Tim B Construction LimitedBuilders
- Trojan 3 Developments LimitedProperty developers
- Trojan Windows & Doors LimitedFinishing trades
- Wilkinson Warne Electricals LimitedElectricians
What happens if Construction 100 UK Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Aug 2026 to 15 Sep 2026 | £150 |
| 1 to 3 months late | 16 Sep 2026 to 15 Nov 2026 | £375 |
| 3 to 6 months late | 16 Nov 2026 to 15 Feb 2027 | £750 |
| More than 6 months late | From 16 Feb 2027 | £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
- 15899416
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 August 2024 (2 years ago)
- Registered office
- 470A Green Lanes, London, N13 5PA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 14 August 2025
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 London
Other active building contractors registered in London.
- Construction 17 Limited2023
- Construction Building Logistics Ltd2026
- Construction Bushi Ltd2020
- Construction Crew 4U Ltd2022
- Construction Department Ltd2024
- Construction Dip Ltd2021
- Construction Ebenezer UK Ltd2023
- Construction Edge Swindon Ltd2024
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Construction 100 UK Ltd's accounts due?
Construction 100 UK Ltd's accounts were due at Companies House on 15 August 2026 and the register shows them as overdue.
When is Construction 100 UK 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 14 August 2025, due by 14 August 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 Construction 100 UK Ltd still trading?
Construction 100 UK Ltd is listed as active on the Companies House register (checked 12 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 Construction 100 UK Ltd do?
Construction 100 UK Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Construction 100 UK Ltd?
Construction 100 UK Ltd was incorporated on 15 August 2024, 2 years ago.
What is the penalty if Construction 100 UK 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 Construction 100 UK Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.