- Companies
- Builders
- Middlesbrough
- Complex Construction and Demolition Ltd
Complex Construction and Demolition Ltd
- Company number
- 16572595
- Incorporated
- 9 Jul 20251 year trading
- Registered office
- Unit 7 Easter Park, Barton Road, Middlesbrough, TS2 1RY
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Demolition; Other construction installation
Complex Construction and Demolition Ltd is a 1-year-old private limited company registered in Middlesbrough, company number 16572595, one of 163 building contractors in Middlesbrough. Its next accounts are due at Companies House on 9 April 2027, and its first CT600 is due at HMRC on 8 July 2027.
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 Complex Construction and Demolition Ltd is registered
The registered office is in Middlesbrough (TS2), in the Middlesbrough local authority area, North East. Show TS2 1RY on a map.
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Also registered at this address
2 other companies use the same registered office as Complex Construction and Demolition Ltd.
- Complex Industrial Access Solutions (Offshore) LtdSpecialist contractors
- Complex Industrial Access Solutions LtdSpecialist contractors
What happens if Complex Construction and Demolition 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 9 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Apr 2027 to 9 May 2027 | £150 |
| 1 to 3 months late | 10 May 2027 to 9 Jul 2027 | £375 |
| 3 to 6 months late | 10 Jul 2027 to 9 Oct 2027 | £750 |
| More than 6 months late | From 10 Oct 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
- 16572595
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 2025 (1 year ago)
- Registered office
- Unit 7 Easter Park, Barton Road, Middlesbrough, TS2 1RY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Demolition (SIC 43110)
Other construction installation (SIC 43290) - Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 September 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 Middlesbrough
Other active building contractors registered in Middlesbrough.
- Cons12 Limited2025
- Coppersquare Roofing Ltd2025
- Cubbitz Limited2013
- CZ Developments Ltd2025
- D Appleby Construction Ltd2021
- D. Oakley Limited2017
- DC Property Solutions Limited2024
- DDS Safety Ltd2025
All building contractors in Middlesbrough · All trades in Middlesbrough · Builders across the UK
Frequently asked questions
When are Complex Construction and Demolition Ltd's accounts due?
Complex Construction and Demolition Ltd's next accounts are due at Companies House by 9 April 2027 (in 179 days), covering the period to 31 July 2026.
When is Complex Construction and Demolition 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 8 July 2026, due by 8 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Complex Construction and Demolition Ltd still trading?
Complex Construction and Demolition 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 Complex Construction and Demolition Ltd do?
Complex Construction and Demolition Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Demolition (SIC 43110); Other construction installation (SIC 43290).
How old is Complex Construction and Demolition Ltd?
Complex Construction and Demolition Ltd was incorporated on 9 July 2025, 1 year ago.
What is the penalty if Complex Construction and Demolition 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 Complex Construction and Demolition 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.