- Companies
- Plumbers and heating engineers
- Chesterfield
- D E & P Dolphin Ltd
D E & P Dolphin Ltd
- Company number
- 07786243
- Incorporated
- 26 Sep 201115 years trading
- Registered office
- 32A Newbold Road, Chesterfield, Derbyshire, S41 7PH
- Nature of business
- Plumbing, heat and air-conditioning installation
D E & P Dolphin Ltd is a 15-year-old private limited company registered in Chesterfield, company number 07786243, one of 115 plumbing and heating companies in Chesterfield. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £42K on the year before, to £43K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £47K against £16K owed within a year: 2.9 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 Nov 2025 | £43K | £47K | £16K | 0 | |
| 30 Nov 2024 | £423 | £20K | £32K | 2 | |
| 30 Nov 2023 | £763 | £38K | £49K | 2 | |
| 30 Nov 2022 | £243 | £42K | £56K | 2 | |
| 30 Nov 2021 | £12K | £47K | £51K | 2 | |
| 30 Nov 2020 | £6,749 | £26K | £38K | 2 | |
| 30 Nov 2019 | £12K | £30K | £42K | ||
| 30 Nov 2018 | £13K | £37K | £51K | ||
| 30 Nov 2017 | £12K | £28K | £27K | ||
| 30 Nov 2016 | £1,770 | £14K | £29K | £32K |
Where D E & P Dolphin Ltd is registered
The registered office is in Chesterfield (S41), in the Chesterfield local authority area, East Midlands. Show S41 7PH on a map.
Other trade companies in S41
- You Motors LtdMotor traders
- Lets Volt LimitedElectricians
- LD Flooring Group LtdFloor and wall tilers
- DB Power Solutions LtdMachinery repair and installation
- Atk Arb Maintenance LtdLandscapers and gardeners
- Convertspace LtdBuilders
- TGH Industrial Spray Services LtdPainters and decorators
- 3B'S Electrical LtdElectricians
Also registered at this address
16 other companies use the same registered office as D E & P Dolphin Ltd.
- 3B'S Electrical LtdElectricians
- Belfry Access LtdScaffolders
- Croft Rail Engineering LtdMachinery repair and installation
- Estate Motors (Chesterfield) Ltd.Motor traders
- Fortis Brickwork LimitedBuilders
- I B Electrical Maintenance LtdElectricians
- Intake Construction Solutions LtdSpecialist contractors
- J K Specialist Interiors Ltd.Joiners and carpenters
- M. J. D. (Mansfield) LimitedProperty developers
- Malyon Developments LtdProperty developers
- MDW Services Chesterfield LimitedScaffolders
- Melwood Projects LimitedSpecialist contractors
- NS Mechanical Services LtdProperty developers
- Sonar Data LtdSpecialist contractors
- Sterling Construction & Building LtdInstallers
- Trinet Communications LtdSpecialist contractors
What happens if D E & P Dolphin 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 07786243
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 September 2011 (15 years ago)
- Registered office
- 32A Newbold Road, Chesterfield, Derbyshire, S41 7PH
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 26 September 2025
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 Chesterfield
Other active plumbing and heating companies registered in Chesterfield.
- Dale Edwards Limited2002
- Dav's Plumbing and Heating Ltd2024
- David Fenwick Limited2013
- Derbyshire Gas Solutions Limited2017
- Derbyshire Renewables Ltd2025
- Diamond Heating Solutions Ltd2021
- DMK Plumbing & Heating Ltd2016
- Edward Serrell Plumbing & Heating Ltd2012
All plumbing and heating companies in Chesterfield · All trades in Chesterfield · Plumbers and heating engineers across the UK
Frequently asked questions
When are D E & P Dolphin Ltd's accounts due?
D E & P Dolphin Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is D E & P Dolphin Ltd's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is D E & P Dolphin Ltd still trading?
D E & P Dolphin Ltd is listed as active on the Companies House register (checked 12 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 D E & P Dolphin Ltd do?
D E & P Dolphin Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is D E & P Dolphin Ltd?
D E & P Dolphin Ltd was incorporated on 26 September 2011, 15 years ago.
What is the penalty if D E & P Dolphin 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 D E & P Dolphin Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.