- Companies
- Plumbers and heating engineers
- Rickmansworth
- J Duffy Plumbing & Heating Limited
J Duffy Plumbing & Heating Limited
- Company number
- 09019730
- Incorporated
- 1 May 201412 years trading
- Registered office
- 23 Church Street, Rickmansworth, WD3 1DE
- Nature of business
- Plumbing, heat and air-conditioning installation
J Duffy Plumbing & Heating Limited is a 12-year-old private limited company registered in Rickmansworth, company number 09019730, one of 22 plumbing and heating companies in Rickmansworth. 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 £21K (-40.2%) on the year before, to £31K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £24K against £2,457 owed within a year: 9.7 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 May 2025 | £31K | £24K | £2,457 | 3 | |
| 31 May 2024 | £52K | £40K | £354 | 3 | |
| 31 May 2023 | £97K | £92K | £9,457 | 3 | |
| 31 May 2022 | £105K | £90K | £1,326 | 3 | |
| 31 May 2021 | £103K | £119K | £126K | £24K | 0 |
| 31 May 2020 | £46K | £41K | £64K | £20K | 2 |
| 31 May 2019 | £41K | £43K | £58K | £19K | 0 |
| 31 May 2018 | £25K | £38K | £54K | £30K | 2 |
| 31 May 2017 | £5,411 | £10K | £13K | £11K | 2 |
| 31 May 2016 | £2,578 | £4,166 | £10K | £11K |
Where J Duffy Plumbing & Heating Limited is registered
The registered office is in Rickmansworth (WD3), in the Three Rivers local authority area, East of England. Show WD3 1DE on a map.
Other trade companies in WD3
- DB Roofing Services LtdRoofers
- Ijesha Real Estate LtdProperty developers
- Aa Estate Developers LtdProperty developers
- DW17 LimitedProperty developers
- Twelve Construct LtdProperty developers
- Mill End Motor Company LtdMotor traders
- Daf Construction Services LtdBuilders
- J&V Customs LtdMechanics and garages
Shared registered office
30 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J Duffy Plumbing & Heating 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
- 09019730
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 May 2014 (12 years ago)
- Registered office
- 23 Church Street, Rickmansworth, WD3 1DE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 1 May 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 Rickmansworth
Other active plumbing and heating companies registered in Rickmansworth.
- J Service Ltd2001
- JDC Heating Ltd2018
- KH Gas Ltd2021
- Mark Allen Heating Ltd2021
- Musgrove Plumbing Limited2025
- Nagle Mechanical Services Ltd2015
- P & M Maintenance Limited2026
- Pioneer Air Conditioning Services Ltd2024
All plumbing and heating companies in Rickmansworth · All trades in Rickmansworth · Plumbers and heating engineers across the UK
Frequently asked questions
When are J Duffy Plumbing & Heating Limited's accounts due?
J Duffy Plumbing & Heating 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 Duffy Plumbing & Heating 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 Duffy Plumbing & Heating Limited still trading?
J Duffy Plumbing & Heating 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 Duffy Plumbing & Heating Limited do?
J Duffy Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is J Duffy Plumbing & Heating Limited?
J Duffy Plumbing & Heating Limited was incorporated on 1 May 2014, 12 years ago.
What is the penalty if J Duffy Plumbing & Heating 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 Duffy Plumbing & Heating 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.