- Companies
- Civil engineering
- Swansea
- CB3 Consult Limited
CB3 Consult Limited
- Company number
- 07787366
- Incorporated
- 26 Sep 201115 years trading
- Registered office
- North Hill, 7 ST. James Crescent, Swansea, Swansea, SA1 6DZ
- Nature of business
- Construction of other civil engineering projects n.e.c.
CB3 Consult Limited is a 15-year-old private limited company registered in Swansea, company number 07787366, one of 71 civil engineering contractors in Swansea. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for CB3 Consult LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 up £110K (+30.1%) on the year before, to £475K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £640K against £167K owed within a year: 3.8 times cover.
- 19 employees on average, down from 21 the year before.
- 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 Oct 2025 | £475K | £138K | £640K | £167K | 19 |
| 31 Oct 2024 | £365K | £177K | £533K | £166K | 21 |
| 31 Oct 2023 | £322K | £103K | £535K | £201K | 21 |
| 31 Oct 2022 | £248K | £99K | £392K | £123K | 16 |
| 31 Oct 2021 | £248K | £184K | £414K | £133K | 15 |
| 31 Oct 2020 | £256K | £218K | £418K | £112K | 14 |
| 31 Oct 2019 | £287K | £145K | £418K | £132K | 13 |
| 31 Oct 2018 | £241K | £142K | £355K | £117K | |
| 31 Oct 2017 | £204K | £128K | £305K | £107K | |
| 31 Oct 2016 | £148K | £101K | £280K | £141K |
Public contracts won
CB3 Consult Limited has one public sector contract award on record; the ones with their own published value total £14K (2025). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| ateb Housing Group Ltd | Provision of Structural Engineer Services for Tavernspite Development | £14K | 28 Aug 2025 |
Where CB3 Consult Limited is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 6DZ on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
What happens if CB3 Consult 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 07787366
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2011 (15 years ago)
- Registered office
- North Hill, 7 ST. James Crescent, Swansea, Swansea, SA1 6DZ
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 3 October 2025
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Swansea
Other active civil engineering contractors registered in Swansea.
- D & M Carpentry and Construction Limited2026
- Dag Construction Limited2010
- Dean & Thomas Limited2003
- DK Network Engineering Limited2023
- Donal Hayes & Sons (Building and Civil Engineering) Limited1993
- Donal Hayes Construction Limited2006
- Drakelow Battery Ltd2022
- Esos Services Ltd2021
All civil engineering contractors in Swansea · All trades in Swansea · Civil engineering across the UK
Frequently asked questions
When are CB3 Consult Limited's accounts due?
CB3 Consult Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is CB3 Consult Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is CB3 Consult Limited still trading?
CB3 Consult 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 CB3 Consult Limited do?
CB3 Consult Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is CB3 Consult Limited?
CB3 Consult Limited was incorporated on 26 September 2011, 15 years ago.
Has CB3 Consult Limited won public sector contracts?
Yes. CB3 Consult Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £14K), most recently from ateb Housing Group Ltd.
What is the penalty if CB3 Consult 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 CB3 Consult 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.