- Company number
- 04506536
- Incorporated
- 8 Aug 200224 years trading
- Registered office
- 4 Woburn Close, Waltham, Grimsby, DN37 0XH
- Nature of business
- Construction of domestic buildings
C.F. Thompson & Son (Grimsby) Limited is a 24-year-old private limited company registered in Grimsby, company number 04506536, one of 81 building contractors in Grimsby. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £53K (+71.2%) on the year before, to £126K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £169K against £70K owed within a year: 2.4 times cover.
- 8 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £126K | £169K | £70K | 8 | |
| 31 Dec 2024 | £74K | £161K | £89K | 8 | |
| 31 Dec 2023 | £33K | £98K | £68K | 8 | |
| 31 Dec 2022 | £54K | £93K | £44K | 12 | |
| 31 Dec 2021 | £49K | £94K | £50K | 12 | |
| 31 Aug 2021 | £46K | £85K | £44K | 12 | |
| 31 Aug 2020 | £22K | £53K | £36K | 12 | |
| 31 Aug 2019 | £37K | £93K | £60K | ||
| 31 Aug 2018 | £11K | £69K | £62K | ||
| 31 Aug 2017 | £32K | £61K | £32K |
Where C.F. Thompson & Son (Grimsby) Limited is registered
The registered office is in Grimsby (DN37), in the North East Lincolnshire local authority area, Yorkshire and The Humber. Show DN37 0XH on a map.
Other trade companies in DN37
- Cwind.Thompson LtdInstallers
- MC Real Estate Group LtdProperty developers
- JM Industrial Services LtdMachinery repair and installation
- Ben Wilkins Building & Engineering LtdFinishing trades
- BD Roofing and Renewables LtdBuilders
- J S Foster Developments LtdProperty developers
- At Valets LtdMechanics and garages
- Van Equip LtdMotor traders
What happens if C.F. Thompson & Son (Grimsby) 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 04506536
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2002 (24 years ago)
- Registered office
- 4 Woburn Close, Waltham, Grimsby, DN37 0XH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 30 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 Grimsby
Other active building contractors registered in Grimsby.
- Churchcrown Builders Limited1992
- Columbus Quay Property Ltd2022
- Danny Kent Ltd2009
- DG Homes (Lincs) Limited2022
- Earlswood Services Limited1998
- Food Sector Construction Limited2012
- G T Kidals Building Ltd2022
- G.C. Tyler Limited1951
All building contractors in Grimsby · All trades in Grimsby · Builders across the UK
Frequently asked questions
When are C.F. Thompson & Son (Grimsby) Limited's accounts due?
C.F. Thompson & Son (Grimsby) Limited's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is C.F. Thompson & Son (Grimsby) Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is C.F. Thompson & Son (Grimsby) Limited still trading?
C.F. Thompson & Son (Grimsby) 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 C.F. Thompson & Son (Grimsby) Limited do?
C.F. Thompson & Son (Grimsby) Limited is registered under Construction of domestic buildings (SIC 41202).
How old is C.F. Thompson & Son (Grimsby) Limited?
C.F. Thompson & Son (Grimsby) Limited was incorporated on 8 August 2002, 24 years ago.
What is the penalty if C.F. Thompson & Son (Grimsby) 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 C.F. Thompson & Son (Grimsby) 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.