- Companies
- Plumbers and heating engineers
- Coventry
- L.Darby & Son Limited
L.Darby & Son Limited
- Company number
- 00568684
- Incorporated
- 9 Jul 195670 years trading
- Registered office
- Torrington Ave, Coventry, West Midlands, CV4 9SX
- Nature of business
- Plumbing, heat and air-conditioning installation
L.Darby & Son Limited is a 70-year-old private limited company registered in Coventry, company number 00568684, one of 190 plumbing and heating companies in Coventry. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £28K (+2%) on the year before, to £1.4M.
- Net assets rose in 9 of 9 year-on-year comparisons on record.
- Current assets of £2.6M against £1.3M owed within a year: 1.9 times cover.
- 16 employees on average, up from 14 the year before.
- 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 Jul 2025 | £1.4M | £776K | £2.6M | £1.3M | 16 |
| 31 Jul 2024 | £1.4M | £1.1M | £2.4M | £1.2M | 14 |
| 31 Jul 2023 | £1.2M | £814K | £2.1M | £1M | 15 |
| 31 Jul 2022 | £1.1M | £1.5M | £2.8M | £1.8M | 16 |
| 31 Jul 2021 | £717K | £948K | £1.4M | £909K | 16 |
| 31 Jul 2020 | £647K | £642K | £1.2M | £741K | 15 |
| 31 Jul 2019 | £586K | £475K | £968K | £555K | 15 |
| 31 Jul 2018 | £450K | £414K | £873K | £591K | 13 |
| 31 Jul 2017 | £406K | £194K | £612K | £355K | 11 |
| 31 Jul 2016 | £346K | £125K | £492K | £291K |
Who runs and owns L.Darby & Son Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| C*** H*** | Director | Nov 2010 |
| C*** H*** | Director | Apr 2023 |
| C*** G*** | Secretary | Dec 2021 |
12 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| R*** C*** | Secretary | Jan 2014 | Nov 2021 |
| J*** D*** | Secretary | Jul 2004 | |
| L*** D*** | Secretary | Jul 2004 | Feb 2008 |
| Harrison Beale & Owen Management Services Limited | Secretary (company) | Feb 2008 | Nov 2010 |
| R*** B*** | Director | Feb 2008 | Jun 2008 |
| D*** D*** | Director | Feb 2008 | Nov 2010 |
| J*** D*** | Director | Jul 2004 | |
| L*** D*** | Director | Jul 2008 | Nov 2010 |
| L*** D*** | Director | Apr 2008 | |
| P*** H*** | Director | Feb 2008 | Jun 2008 |
| P*** N*** | Director | May 2008 | Nov 2010 |
| A*** W*** | Director | Nov 2010 | Jun 2015 |
Person with significant control
Charges (secured borrowing)
3 of 5 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Plumbing Pensions (U.K.) Limited As Trustee Of Plumbing & Mechanical Services (UK) Industry Pension Scheme | Outstanding | Aug 2022 |
| National Westminster Bank PLC | Outstanding | Aug 2015 |
| National Westminster Bank PLC | Outstanding | Jul 2015 |
| National Westminster Bank PLC | Satisfied Sep 2010 | Nov 1995 |
| National Westminster Bank Ltd | Satisfied Sep 2010 | Aug 1975 |
Public contracts won
L.Darby & Son Limited has 3 public sector contract awards on record; the ones with their own published value total £303K, from 2022 to 2023. Source: Contracts Finder and Find a Tender award notices.
Awards by year
Main buyers
- NHS Property Services Limited3 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| NHS Property Services Limited | Boiler Replacement Works at Isebrook Hospital | £81K | 1 Sep 2023 |
| NHS Property Services Limited | Conversion of Plant to Mains at Salters Meadow Health Centre | £45K | 18 Nov 2022 |
| NHS Property Services Limited | Conversion of Plant To Mains at Greenhill Health Centre | £176K | 31 Oct 2022 |
Where L.Darby & Son Limited is registered
The registered office is in Coventry (CV4), in the Coventry local authority area, West Midlands. Show CV4 9SX on a map.
Other trade companies in CV4
- 180 Property Group LtdProperty developers
- Four Pillar Estates LtdProperty developers
- Top Automobiles LtdMotor traders
- Coventry Cooling LtdPlumbers and heating engineers
- McMahon Renovations LtdBuilders
- LJB Air Conditioning LtdPlumbers and heating engineers
- BTS Tyres LtdMotor traders
- Datojeli LtdCivil engineering
What happens if L.Darby & 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 30 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 00568684
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 July 1956 (70 years ago)
- Registered office
- Torrington Ave, Coventry, West Midlands, CV4 9SX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 9 December 2025
- Charges (mortgages)
- 3 outstanding of 5 registered
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 Coventry
Other active plumbing and heating companies registered in Coventry.
- Lawrence Plumbing & Heating Coventry Limited2021
- Leo Prendi Plumbing Ltd2021
- Linforth Installations Limited2024
- LJB Air Conditioning Ltd2026
- Lovis Heating and Plumbing Ltd2022
- Luxe Plumbing Ltd2019
- M Ali Plumbing and Heating Ltd2022
- M Comerford Limited2002
All plumbing and heating companies in Coventry · All trades in Coventry · Plumbers and heating engineers across the UK
Frequently asked questions
When are L.Darby & Son Limited's accounts due?
L.Darby & Son Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is L.Darby & Son Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is L.Darby & Son Limited still trading?
L.Darby & 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 L.Darby & Son Limited do?
L.Darby & Son Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is L.Darby & Son Limited?
L.Darby & Son Limited was incorporated on 9 July 1956, 70 years ago.
Who runs L.Darby & Son Limited?
L.Darby & Son Limited has 2 active directors, the longest-serving appointed in Nov 2010. Their names and service addresses are on the Companies House register.
Who owns L.Darby & Son Limited?
One person or company has significant control of L.Darby & Son Limited: an individual (has significant influence or control).
Has L.Darby & Son Limited won public sector contracts?
Yes. L.Darby & Son Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £303K), most recently from NHS PROPERTY SERVICES LIMITED.
What is the penalty if L.Darby & 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 L.Darby & 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.