C.D.Potter & Sons Limited
- Company number
- 00231635
- Incorporated
- 30 Jun 192898 years trading
- Registered office
- 121 Doncaster Road, Barnsley, S70 1UG
- Nature of business
- Construction of commercial buildings
C.D.Potter & Sons Limited is a 98-year-old private limited company, company number 00231635, one of the UK's building contractors. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £43K (+12.3%) on the year before, to £394K.
- Net assets rose in 5 of 7 year-on-year comparisons on record.
- Current assets of £1.5M against £1.2M owed within a year: 1.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Jun 2025 | £394K | £854K | £1.5M | £1.2M | 0 |
| 30 Jun 2024 | £351K | £609K | £1M | £713K | 16 |
| 30 Jun 2023 | £255K | £857K | £1.4M | £1.1M | 15 |
| 30 Jun 2022 | £236K | £268K | £628K | £392K | 15 |
| 30 Jun 2021 | £236K | £483K | £903K | £655K | 17 |
| 30 Jun 2020 | £223K | £445K | £703K | £497K | 16 |
| 30 Jun 2019 | £224K | £251K | £646K | £445K | |
| 30 Jun 2018 | £226K | £426K | £748K | £556K | |
| 30 Jun 2017 | £254K | ||||
| 30 Jun 2016 | £232K | £142K | £473K | £253K |
Who runs and owns C.D.Potter & Sons Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (4)
| Name | Role | Appointed |
|---|---|---|
| C*** B*** | Director | Oct 2000 |
| M*** B*** | Director | Jan 2011 |
| M*** H*** | Director | Apr 2022 |
| M*** B*** | Secretary | Dec 2010 |
5 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** P*** | Secretary | Jun 2002 | |
| T*** R*** | Secretary | Jun 2002 | Dec 2010 |
| B*** P*** | Director | Dec 2004 | |
| J*** P*** | Director | Oct 2000 | |
| T*** R*** | Director | Oct 2000 | Dec 2010 |
People with significant control (2)
Charges (secured borrowing)
All 2 registered charges have been satisfied. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Bank PLC | Satisfied Aug 2022 | Nov 2013 |
| Barclays Bank PLC | Satisfied Aug 2022 | Nov 2013 |
Public contracts won
C.D.Potter & Sons Limited has 30 public sector contract awards on record; the ones with their own published value total £9.3M, from 2016 to 2026. Source: Contracts Finder and Find a Tender award notices. For 4 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 26 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Rotherham Metropolitan Borough Council13 awards
- Barnsley Metropolitan Borough Council8 awards
- Leeds and York Partnership NHS Foundation Trust5 awards
- SW YORKSHIRE PARTNERSHIP NHS FT, Stores & Distribution1 award
- Leeds City Council - PACS1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Rotherham Metropolitan Borough Council | Badsley Primary Heating and Electrical Works | £153K | 31 Jul 2026 |
| SW YORKSHIRE PARTNERSHIP NHS FT, Stores & Distribution | Works being carried out to sites trust wide | £204K | 24 Jun 2026 |
| Rotherham Metropolitan Borough Council | Laudsdale Road Loft Conversion | £64K | 13 Feb 2025 |
| Barnsley Metropolitan Borough Council | Provision of replacement fire doors in Alhambra Shopping Centre | £62K | 30 Sep 2024 |
| Rotherham Metropolitan Borough Council | Manor Gardens Extension (Pathway to Care) | £65K | 25 Jun 2024 |
| Rotherham Metropolitan Borough Council | Cawthorne Close Pathway to Care Extension | £68K | 2 May 2024 |
| Rotherham Metropolitan Borough Council | Hall Road Housing Adaptation | £74K | 19 Jan 2024 |
| Rotherham Metropolitan Borough Council | Grange Road Flats Firestopping | £24K | 9 May 2023 |
| Barnsley Metropolitan Borough Council | Provision of Structural Works at 33 and 35 Station Road Wombwell, Barnsley | £68K | 30 Mar 2023 |
| Rotherham Metropolitan Borough Council | Wath Church Paving Repairs | £39K | 20 Feb 2023 |
Showing the 10 most recent of 30.
Where C.D.Potter & Sons Limited is registered
The registered office is in the S70 postcode district, in the Barnsley local authority area, Yorkshire and The Humber. Show S70 1UG on a map.
Other trade companies in S70
- Perfect Automotive LtdMotor traders
- BLF Plumbing LimitedPlumbers and heating engineers
- R&J Gas Services LtdPlumbers and heating engineers
- Revora Performance LtdMechanics and garages
- Sykes & Sons Water Utilities LtdCivil engineering
- Cropcore LtdInstallers
- LW Handyman LtdCleaning companies
- Ehv Barnsley LtdMechanics and garages
What happens if C.D.Potter & Sons 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 00231635
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 June 1928 (98 years ago)
- Registered office
- 121 Doncaster Road, Barnsley, S70 1UG
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 2 December 2025
- Charges (mortgages)
- 0 outstanding of 2 registered
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
Other active building contractors.
Frequently asked questions
When are C.D.Potter & Sons Limited's accounts due?
C.D.Potter & Sons Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is C.D.Potter & Sons Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is C.D.Potter & Sons Limited still trading?
C.D.Potter & Sons 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.D.Potter & Sons Limited do?
C.D.Potter & Sons Limited is registered under Construction of commercial buildings (SIC 41201).
How old is C.D.Potter & Sons Limited?
C.D.Potter & Sons Limited was incorporated on 30 June 1928, 98 years ago.
Who runs C.D.Potter & Sons Limited?
C.D.Potter & Sons Limited has 3 active directors, the longest-serving appointed in Oct 2000. Their names and service addresses are on the Companies House register.
Who owns C.D.Potter & Sons Limited?
2 people or companies have significant control of C.D.Potter & Sons Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).
Has C.D.Potter & Sons Limited won public sector contracts?
Yes. C.D.Potter & Sons Limited has 30 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £9.3M), most recently from Rotherham Metropolitan Borough Council.
What is the penalty if C.D.Potter & Sons 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.D.Potter & Sons 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.