- Companies
- Plumbers and heating engineers
- Sudbury
- C Waldock Ltd
C Waldock Ltd
- Company number
- 05320781
- Incorporated
- 23 Dec 200421 years trading
- Registered office
- 13 Belle Vue Road, Sudbury, Suffolk, CO10 2PP
- Nature of business
- Plumbing, heat and air-conditioning installation
C Waldock Ltd is a 21-year-old private limited company registered in Sudbury, company number 05320781, one of 22 plumbing and heating companies in Sudbury. 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 down £181K (-77.8%) on the year before, to £52K.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £94K against £86K owed within a year: 1.1 times cover.
- 3 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 Dec 2025 | £52K | £76K | £94K | £86K | 3 |
| 31 Dec 2024 | £232K | £143K | £296K | £106K | 3 |
| 31 Dec 2023 | £163K | £130K | £165K | £59K | 3 |
| 31 Dec 2022 | £163K | £130K | £165K | £59K | 4 |
| 31 Dec 2021 | £275K | £169K | £263K | £5,137 | 4 |
| 31 Dec 2020 | £158K | £195K | £197K | £61K | 3 |
| 31 Dec 2019 | £127K | £149K | £163K | £48K | 2 |
| 31 Dec 2018 | £143K | £135K | £175K | £46K | 2 |
| 31 Dec 2017 | £152K | £160K | £181K | £34K | 2 |
| 31 Dec 2016 | £156K | £147K | £182K | £32K | 2 |
Where C Waldock Ltd is registered
The registered office is in Sudbury (CO10), in the Babergh local authority area, East of England. Show CO10 2PP on a map.
Other trade companies in CO10
- Regrid LtdMotor traders
- Voltage Link LimitedCivil engineering
- The 1 Percent Team LtdProperty developers
- Green Star Heating Services LtdPlumbers and heating engineers
- Ca Scaffolding Services LtdScaffolders
- Delphi Developments LtdProperty developers
- Complete Solutions Group LtdFacilities management
- Finada Corp LimitedBuilders
What happens if C Waldock 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 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
- 05320781
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 December 2004 (21 years ago)
- Registered office
- 13 Belle Vue Road, Sudbury, Suffolk, CO10 2PP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 5 January 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Sudbury
Other active plumbing and heating companies registered in Sudbury.
- Climatherm Limited2021
- D B Air Solutions Ltd2017
- Everflow Heating & Plumbing Ltd2017
- Gasco Heating Services Limited2012
- Green Star Heating Services Ltd2026
- Heatweb Solutions Limited2023
- Klimowicz & Sons Limited2005
- MTP Plumbing & Heating Limited2021
All plumbing and heating companies in Sudbury · All trades in Sudbury · Plumbers and heating engineers across the UK
Frequently asked questions
When are C Waldock Ltd's accounts due?
C Waldock Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is C Waldock Ltd'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 Waldock Ltd still trading?
C Waldock 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 C Waldock Ltd do?
C Waldock Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is C Waldock Ltd?
C Waldock Ltd was incorporated on 23 December 2004, 21 years ago.
What is the penalty if C Waldock 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 C Waldock 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.