- Companies
- Plumbers and heating engineers
- Rochdale
- J C Mills & Son Limited
J C Mills & Son Limited
- Company number
- 05058262
- Incorporated
- 27 Feb 200422 years trading
- Registered office
- 21 Craiglands, Rochdale, Lancashire, OL16 4RA
- Nature of business
- Plumbing, heat and air-conditioning installation
J C Mills & Son Limited is a 22-year-old private limited company registered in Rochdale, company number 05058262, one of 64 plumbing and heating companies in Rochdale. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £20K (-1.4%) on the year before, to £1.4M.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £956K against £60K owed within a year: more than 10 times cover.
- 4 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 May 2025 | £1.4M | £687K | £956K | £60K | 4 |
| 31 May 2024 | £1.4M | £697K | £1M | £101K | 4 |
| 31 May 2023 | £1.3M | £702K | £921K | £98K | 3 |
| 31 May 2022 | £1.2M | £608K | £763K | £79K | 4 |
| 31 May 2021 | £1.1M | £612K | £747K | £61K | 4 |
| 31 May 2020 | £1.1M | £732K | £883K | £72K | 4 |
| 31 May 2019 | £977K | £586K | £798K | £106K | 7 |
| 31 May 2018 | £906K | £664K | £912K | £116K | 6 |
| 31 May 2017 | £659K | £506K | £652K | £94K | 5 |
| 31 May 2016 | £540K | £363K | £541K | £90K |
Public contracts won
J C Mills & Son Limited has 14 public sector contract awards on record; the ones with their own published value total £1.4M, from 2017 to 2025. Source: Contracts Finder and Find a Tender award notices. For 1 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. 8 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Rochdale Metropolitan Borough Council7 awards
- Star Procurement Limited6 awards
- Stockport Metropolitan Borough Council1 award
Showing the 10 most recent of 14.
Where J C Mills & Son Limited is registered
The registered office is in Rochdale (OL16), in the Rochdale local authority area, North West. Show OL16 4RA on a map.
Other trade companies in OL16
- Top Deck Landscapes LtdLandscapers and gardeners
- MS Turn Key Builders LtdBuilders
- MMR Building Services LtdInstallers
- Beyondbenchmarklearning LimitedCleaning companies
- Rochdale Cleaning LtdCleaning companies
- Goldfern Living LtdFinishing trades
- 4 Zee Transport LtdMotor traders
- GG'S Cleaning Solutions LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as J C Mills & Son Limited.
- Therma-Clad Insulation LtdBuilders
What happens if J C Mills & Son 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 05058262
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 February 2004 (22 years ago)
- Registered office
- 21 Craiglands, Rochdale, Lancashire, OL16 4RA
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 27 February 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 Rochdale
Other active plumbing and heating companies registered in Rochdale.
- Jango Plumbing Services Ltd2026
- JPK Plumbing and Heating Limited2009
- KM Heating Services Ltd2022
- Larc Heating and Plumbing Limited2023
- Leigh O'Reilly Installations Ltd2018
- Link Property Services NW Ltd2022
- LMP Building and Maintenance Ltd2024
- Loomix Energy Solutions Ltd2023
All plumbing and heating companies in Rochdale · All trades in Rochdale · Plumbers and heating engineers across the UK
Frequently asked questions
When are J C Mills & Son Limited's accounts due?
J C Mills & Son Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is J C Mills & Son Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is J C Mills & Son Limited still trading?
J C Mills & Son 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 J C Mills & Son Limited do?
J C Mills & Son Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J C Mills & Son Limited?
J C Mills & Son Limited was incorporated on 27 February 2004, 22 years ago.
Has J C Mills & Son Limited won public sector contracts?
Yes. J C Mills & Son Limited has 14 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £1.4M), most recently from Rochdale Metropolitan Borough Council.
What is the penalty if J C Mills & Son 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 J C Mills & Son 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.