- Companies
- Plumbers and heating engineers
- Winchester
- 4D Heating & Plumbing Ltd
4D Heating & Plumbing Ltd
- Company number
- 08431433
- Incorporated
- 6 Mar 201313 years trading
- Registered office
- Ground Floor 1 Crown Walk, Jewry Street, Winchester, Hampshire, SO23 8BB
- Nature of business
- Plumbing, heat and air-conditioning installation
4D Heating & Plumbing Ltd is a 13-year-old private limited company registered in Winchester, company number 08431433, one of 42 plumbing and heating companies in Winchester. Its next accounts are due at Companies House on 30 December 2026, and the CT600 for the period to 30 March 2026 is due at HMRC on 30 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for 4D Heating & Plumbing LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £741 (+3%) on the year before, to £25K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £51K against £26K owed within a year: 2.0 times cover.
- 1 employee 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 Mar 2025 | £25K | £43K | £51K | £26K | 1 |
| 30 Mar 2024 | £24K | £18K | £57K | £33K | 1 |
| 30 Mar 2023 | £14K | £5,686 | £38K | £24K | 1 |
| 30 Mar 2022 | £7,809 | £8,260 | £37K | £30K | 1 |
| 30 Mar 2021 | -£1,391 | £11K | £24K | £26K | 1 |
| 31 Mar 2020 | -£2,899 | £5,110 | £11K | £14K | 1 |
| 31 Mar 2019 | £5,602 | £5,809 | £25K | £21K | 1 |
| 31 Mar 2018 | £5,209 | £6,682 | £24K | £19K | 1 |
| 31 Mar 2017 | £5,626 | £5,694 | £29K | £24K | 2 |
| 31 Mar 2016 | £4,349 | £8,893 | £22K | £18K |
Where 4D Heating & Plumbing Ltd is registered
The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 8BB on a map.
Other trade companies in SO23
- Aeronix LimitedPlumbers and heating engineers
- Z Cubic Home LtdJoiners and carpenters
- Fordstone Groundworks & Civil Engineering LtdCivil engineering
- Osr Homes LtdBuilders
- Welborne LS LimitedProperty developers
- Charlecote Sussex LimitedSpecialist contractors
- Shorewood Pankridge Street LtdBuilders
- The Home & Garden Collective LtdBuilders
Also registered at this address
15 other companies use the same registered office as 4D Heating & Plumbing Ltd.
- A S P Murphy Brickwork Contractors LtdFinishing trades
- Apex Development Services LimitedProperty developers
- Bikers Discount Store LimitedMotor traders
- Brabbin Kitchens & Carpentry LtdJoiners and carpenters
- Car-Tech LtdMechanics and garages
- D C Autos (Overton) LtdMechanics and garages
- First Safety Construction LimitedBuilders
- Ip Technology Group LimitedMachinery repair and installation
- Jerome Contract Services LtdCleaning companies
- Samco Construction LimitedFinishing trades
- Silchester Body Shop LimitedMechanics and garages
- Tadley Tyre Services LimitedMotor traders
- Test Valley Paving LtdFinishing trades
- Thames Valley Roofing LtdRoofers
- Unique Expert Solutions LimitedMotor traders
What happens if 4D Heating & Plumbing 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 30 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Dec 2026 to 30 Jan 2027 | £150 |
| 1 to 3 months late | 31 Jan 2027 to 30 Mar 2027 | £375 |
| 3 to 6 months late | 31 Mar 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Mar 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Mar 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
- 08431433
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2013 (13 years ago)
- Registered office
- Ground Floor 1 Crown Walk, Jewry Street, Winchester, Hampshire, SO23 8BB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 6 March 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 Winchester
Other active plumbing and heating companies registered in Winchester.
- A Hammond Heating & Plumbing Ltd2024
- Aeronix Limited2026
- Air Improve Limited1998
- Allbrook Heating Limited2012
- Arj Plumbing & Heating Services Ltd2018
- Bardkins Ltd2025
- Bkay Plumbing & Heating Limited2025
- Cannons Heating Services Limited2012
All plumbing and heating companies in Winchester · All trades in Winchester · Plumbers and heating engineers across the UK
Frequently asked questions
When are 4D Heating & Plumbing Ltd's accounts due?
4D Heating & Plumbing Ltd's next accounts are due at Companies House by 30 December 2026 (in 78 days), covering the period to 30 March 2026.
When is 4D Heating & Plumbing Ltd's CT600 due?
The CT600 for the period to 30 March 2026 is due at HMRC by 30 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 December 2026.
Is 4D Heating & Plumbing Ltd still trading?
4D Heating & Plumbing Ltd 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 4D Heating & Plumbing Ltd do?
4D Heating & Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is 4D Heating & Plumbing Ltd?
4D Heating & Plumbing Ltd was incorporated on 6 March 2013, 13 years ago.
What is the penalty if 4D Heating & Plumbing 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 4D Heating & Plumbing Ltd 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.