- Company number
- 07239793
- Incorporated
- 30 Apr 201016 years trading
- Registered office
- 1 Hazel Close, Thorpe Marriott, Norwich, Norfolk, NR8 6YE
- Nature of business
- Construction of commercial buildings; Roofing activities; Other letting and operating of own or leased real estate
CNB Consultants Ltd is a 16-year-old private limited company registered in Norwich, company number 07239793, one of 360 building contractors in Norwich. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £19K (-25.5%) on the year before, to £54K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £66K against £13K owed within a year: 5.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £54K | £62K | £66K | £13K | 2 |
| 31 Mar 2024 | £73K | £8,859 | £11K | £36K | 2 |
| 31 Mar 2023 | £95K | £5,978 | £7,137 | £8,907 | 2 |
| 31 Mar 2022 | £94K | £25K | £32K | £37K | 1 |
| 31 Mar 2021 | £97K | £25K | £28K | £17K | 1 |
| 31 Mar 2020 | £90K | £89K | £108K | £21K | 1 |
| 31 Mar 2019 | £72K | £83K | £92K | £22K | 1 |
| 31 Mar 2018 | £46K | £50K | £67K | £24K | 2 |
| 31 Mar 2017 | £28K | £37K | £50K | £22K | 2 |
| 31 Mar 2016 | £6,379 | £16K | £25K | £19K |
Where CNB Consultants Ltd is registered
The registered office is in Norwich (NR8), in the Broadland local authority area, East of England. Show NR8 6YE on a map.
Other trade companies in NR8
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- Sian of Clean LimitedCleaning companies
- Norfolkpropertyworks LtdSpecialist contractors
- Creative Landscaping LtdLandscapers and gardeners
- Highlands (Norfolk) BMR LimitedBuilders
- High Level Carpentry LtdProperty developers
- Norfolk Electrical Services LtdElectricians
- SJD Contractors LtdPlasterers
What happens if CNB Consultants 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07239793
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2010 (16 years ago)
- Registered office
- 1 Hazel Close, Thorpe Marriott, Norwich, Norfolk, NR8 6YE
- Nature of business
- Construction of commercial buildings (SIC 41201)
Roofing activities (SIC 43910)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 22 July 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 Norwich
Other active building contractors registered in Norwich.
- Cobuild (Norfolk) Ltd2018
- Colsterworth Development Limited2016
- Compass Construction (East) Limited2026
- Conrad Building Services Limited2014
- Conrad Developments Ltd2024
- Conrad Property Limited2016
- Cooper's Property Solutions Ltd2021
- Coppen Parr Construction Ltd2022
All building contractors in Norwich · All trades in Norwich · Builders across the UK
Frequently asked questions
When are CNB Consultants Ltd's accounts due?
CNB Consultants Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is CNB Consultants Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is CNB Consultants Ltd still trading?
CNB Consultants 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 CNB Consultants Ltd do?
CNB Consultants Ltd is registered under Construction of commercial buildings (SIC 41201); Roofing activities (SIC 43910); Other letting and operating of own or leased real estate (SIC 68209).
How old is CNB Consultants Ltd?
CNB Consultants Ltd was incorporated on 30 April 2010, 16 years ago.
What is the penalty if CNB Consultants 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 CNB Consultants 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.