- Companies
- Specialist contractors
- Cardiff
- Knott Construction Consultancy Limited
Knott Construction Consultancy Limited
- Company number
- 17223562
- Incorporated
- 15 May 2026
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, United Kingdom, CF3 5EA
- Nature of business
- Other specialised construction activities n.e.c.
Knott Construction Consultancy Limited is a newly incorporated private limited company registered in Cardiff, company number 17223562, one of 173 specialist construction companies in Cardiff. Its next accounts are due at Companies House on 15 February 2028, and its first CT600 is due at HMRC on 14 May 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 Knott Construction Consultancy Limited is registered
The registered office is in Cardiff (CF3), in the Cardiff local authority area, Wales. Show CF3 5EA on a map.
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Also registered at this address
23 other companies use the same registered office as Knott Construction Consultancy Limited.
- Adl Detailing and Logistics LimitedMechanics and garages
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- NJP Consulting Engineers LimitedCivil engineering
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- Probert & Mumford LimitedFinishing trades
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- Richard Sutton LimitedSpecialist contractors
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- Trade Right Cars (Cardiff) LimitedMotor traders
What happens if Knott Construction Consultancy Limited 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 15 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 16 Feb 2028 to 15 Mar 2028 | £150 |
| 1 to 3 months late | 16 Mar 2028 to 15 May 2028 | £375 |
| 3 to 6 months late | 16 May 2028 to 15 Aug 2028 | £750 |
| More than 6 months late | From 16 Aug 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 17223562
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 May 2026
- Registered office
- Suite 2D Building 1 Eastern Business Park, ST Mellons, Cardiff, United Kingdom, CF3 5EA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 May (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Cardiff
Other active specialist construction companies registered in Cardiff.
- Koretrix Engineering Ltd2011
- LDJ Lifting Services Limited2019
- LDN Services Limited2016
- Lekker Services Ltd2020
- Loft Space Solutions Limited2007
- LRH Construction Ltd2025
- Lucas and Cruz Property Maintenance Ltd2020
- Lydair (Commissioning) Limited2011
All specialist construction companies in Cardiff · All trades in Cardiff · Specialist contractors across the UK
Frequently asked questions
When are Knott Construction Consultancy Limited's accounts due?
Knott Construction Consultancy Limited's next accounts are due at Companies House by 15 February 2028 (in 490 days), covering the period to 31 May 2027.
When is Knott Construction Consultancy 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 14 May 2027, due by 14 May 2028, and one for the period to 31 May 2027, due by 31 May 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Knott Construction Consultancy Limited still trading?
Knott Construction Consultancy Limited 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 Knott Construction Consultancy Limited do?
Knott Construction Consultancy Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Knott Construction Consultancy Limited?
Knott Construction Consultancy Limited was incorporated on 15 May 2026, less than a year ago.
What is the penalty if Knott Construction Consultancy 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 Knott Construction Consultancy Limited 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.