- Companies
- Plumbers and heating engineers
- Whitchurch
- D.C. Guppy Plumbing & Heating Limited
D.C. Guppy Plumbing & Heating Limited
- Company number
- 04920367
- Incorporated
- 3 Oct 200323 years trading
- Registered office
- 14 Church Street, Whitchurch, Hampshire, RG28 7AB
- Nature of business
- Plumbing, heat and air-conditioning installation
D.C. Guppy Plumbing & Heating Limited is a 23-year-old private limited company registered in Whitchurch, company number 04920367, one of 27 plumbing and heating companies in Whitchurch. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £144 (+11.3%) on the year before, to £1,415.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £4,017 against £2,652 owed within a year: 1.5 times cover.
- 2 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 Oct 2025 | £1,415 | £4,017 | £4,017 | £2,652 | 2 |
| 31 Oct 2024 | £1,271 | £1,648 | £3,036 | £3,697 | 2 |
| 31 Oct 2023 | £5,281 | £4,590 | £5,962 | £4,963 | 2 |
| 31 Oct 2022 | £4,792 | £9,308 | £11K | £12K | 2 |
| 31 Oct 2021 | £9,290 | £21K | £24K | £20K | 2 |
| 31 Oct 2020 | £5,446 | £9,361 | £13K | £15K | 2 |
| 31 Oct 2019 | £2,014 | £13K | £16K | £23K | 2 |
| 31 Oct 2018 | £9,430 | £11K | £18K | £19K | 2 |
| 31 Oct 2017 | £3,424 | £1,639 | £11K | £19K | 2 |
| 31 Oct 2016 | £226 | £4,308 | £7,649 | £21K |
Where D.C. Guppy Plumbing & Heating Limited is registered
The registered office is in Whitchurch (RG28), in the Basingstoke and Deane local authority area, South East. Show RG28 7AB on a map.
Other trade companies in RG28
- Apaxcoat LtdPainters and decorators
- Hunter Bespoke LimitedJoiners and carpenters
- Blackout Finish LtdMechanics and garages
- Net Autos LtdMotor traders
- JSL Landscaping LimitedLandscapers and gardeners
- RC & N Air Conditioning LtdPlumbers and heating engineers
- Wyncroft Group LtdInstallers
- The Rural Electrician LtdElectricians
Also registered at this address
7 other companies use the same registered office as D.C. Guppy Plumbing & Heating Limited.
- Engineering & Surveying Partnership LimitedCivil engineering
- Get A Hand LtdFacilities management
- Hunter Bespoke LimitedJoiners and carpenters
- JSL Landscaping LimitedLandscapers and gardeners
- Mike Harding Lighting Solutions Ltd.Specialist contractors
- Rick Harris Engineering LimitedMechanics and garages
- Waterhouse Projects LimitedProperty developers
What happens if D.C. Guppy 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 04920367
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 October 2003 (23 years ago)
- Registered office
- 14 Church Street, Whitchurch, Hampshire, RG28 7AB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 3 October 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 Whitchurch
Other active plumbing and heating companies registered in Whitchurch.
- David Rycroft Limited2011
- G B Plumbing and Heating (Hampshire) Ltd2014
- Greg Robinson Mechanical Plumbing & Heating Limited2012
- L & P Heating Services Ltd2009
- P & H J Site Services Limited1995
- P.C.S. Air Conditioning Limited2006
- Plumbeco Limited2005
- RC & N Air Conditioning Ltd2026
All plumbing and heating companies in Whitchurch · All trades in Whitchurch · Plumbers and heating engineers across the UK
Frequently asked questions
When are D.C. Guppy Plumbing & Heating Limited's accounts due?
D.C. Guppy Plumbing & Heating Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is D.C. Guppy Plumbing & Heating Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is D.C. Guppy Plumbing & Heating Limited still trading?
D.C. Guppy 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 D.C. Guppy Plumbing & Heating Limited do?
D.C. Guppy Plumbing & Heating Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is D.C. Guppy Plumbing & Heating Limited?
D.C. Guppy Plumbing & Heating Limited was incorporated on 3 October 2003, 23 years ago.
What is the penalty if D.C. Guppy 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 D.C. Guppy 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.