- Companies
- Property developers
- King's Lynn
- Cso Construction Limited
Cso Construction Limited
- Company number
- 09333241
- Incorporated
- 28 Nov 201411 years trading
- Registered office
- 11C Alma Road, Snettisham, King's Lynn, PE31 7NY
- Nature of business
- Development of building projects
Cso Construction Limited is a 11-year-old private limited company registered in King's Lynn, company number 09333241, one of 133 property development companies in King's Lynn. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £95K (-85.8%) on the year before, to £16K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £43K against £23K owed within a year: 1.8 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 |
|---|---|---|---|---|---|
| 30 Nov 2025 | £16K | £43K | £23K | 2 | |
| 30 Nov 2024 | £110K | £141K | £36K | 2 | |
| 30 Nov 2023 | £94K | £128K | £37K | 2 | |
| 30 Nov 2022 | £34K | £89K | £43K | 1 | |
| 30 Nov 2021 | -£19 | £31K | £15K | 1 | |
| 30 Nov 2020 | £25K | £34K | £38K | 2 | |
| 30 Nov 2019 | £13K | £33K | £20K | 2 | |
| 30 Nov 2018 | £7,135 | £17K | £9,501 | ||
| 30 Nov 2017 | £25K | £38K | £15K | ||
| 30 Nov 2016 | £342 | £788 | £4,164 | £6,464 |
Where Cso Construction Limited is registered
The registered office is in King's Lynn (PE31), in the King's Lynn and West Norfolk local authority area, East of England. Show PE31 7NY on a map.
Other trade companies in PE31
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- CJC Builders LtdBuilders
- Gocertified Electrical LtdMachinery repair and installation
- Freedom Recovery & Towing LimitedMechanics and garages
- Procomms Civil Engineering LtdCivil engineering
- Homeglow Plumbing and Heating Services LtdPlumbers and heating engineers
- Optimum Stoves LtdPlumbers and heating engineers
- Avocet Homes Construction LtdBuilders
Also registered at this address
16 other companies use the same registered office as Cso Construction Limited.
- Aldridge Restoration LtdBuilders
- Avocet Construction (Norfolk) LtdBuilders
- Avocet Homes Construction LtdBuilders
- Bacon Electrical Services LimitedElectricians
- C & C Mobile Caravan Services and Sales LtdMachinery repair and installation
- CF Contractors LtdSpecialist contractors
- CJC Builders LtdBuilders
- Cool Climate Solutions LtdPlumbers and heating engineers
- Feel Fab X LimitedCleaning companies
- Freedom Recovery & Towing LimitedMechanics and garages
- Innovation Installations LimitedJoiners and carpenters
- JB Carpentry and Construction LimitedBuilders
- Merton Park LtdBuilders
- MKR Cleaning Services LtdCleaning companies
- Procomms Civil Engineering LtdCivil engineering
- S & M Builds LtdFinishing trades
What happens if Cso Construction 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 09333241
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2014 (11 years ago)
- Registered office
- 11C Alma Road, Snettisham, King's Lynn, PE31 7NY
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 27 November 2025
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in King's Lynn
Other active property development companies registered in King's Lynn.
- Ctron Limited2024
- D4U Tower Court Limited2020
- Daly Construction & Building Services Limited2023
- Danty Partners Limited2023
- Darcha Property Group Limited2025
- Day & Co Investments Limited2022
- DCF Safety Services Ltd2022
- Dempsey Property Developments Ltd2024
All property development companies in King's Lynn · All trades in King's Lynn · Property developers across the UK
Frequently asked questions
When are Cso Construction Limited's accounts due?
Cso Construction Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Cso Construction Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Cso Construction Limited still trading?
Cso Construction 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 Cso Construction Limited do?
Cso Construction Limited is registered under Development of building projects (SIC 41100).
How old is Cso Construction Limited?
Cso Construction Limited was incorporated on 28 November 2014, 11 years ago.
What is the penalty if Cso Construction 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 Cso Construction 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.