- Companies
- Plumbers and heating engineers
- Winchester
- Design Heat Winchester Limited
Design Heat Winchester Limited
- Company number
- 01112141
- Incorporated
- 7 May 197353 years trading
- Registered office
- 5 Bar End Road, Winchester, Hants, SO23 9NT
- Nature of business
- Plumbing, heat and air-conditioning installation
Design Heat Winchester Limited is a 53-year-old private limited company registered in Winchester, company number 01112141, one of 42 plumbing and heating companies in Winchester. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 Design Heat Winchester LimitedOr 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 down £41K (-15.7%) on the year before, to £218K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £276K against £127K owed within a year: 2.2 times cover.
- 10 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £218K | £106K | £276K | £127K | 10 |
| 30 Jun 2024 | £258K | £167K | £371K | £139K | 10 |
| 30 Jun 2023 | £140K | £57K | £206K | £84K | 8 |
| 30 Jun 2022 | £184K | £54K | £215K | £55K | 11 |
| 30 Jun 2021 | £216K | £151K | £274K | £96K | 12 |
| 30 Jun 2020 | £222K | £160K | £363K | £172K | 11 |
| 30 Jun 2019 | £209K | £156K | £392K | £213K | 11 |
| 30 Jun 2018 | £159K | £59K | £358K | £223K | 11 |
| 30 Jun 2017 | £97K | £43K | £243K | £152K | 12 |
| 30 Jun 2016 | £95K | £44K | £191K | £105K |
Who runs and owns Design Heat Winchester Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (3)
| Name | Role | Appointed |
|---|---|---|
| K*** B*** | Director | Feb 1998 |
| F*** B*** | Director | May 2022 |
| K*** B*** | Secretary | May 2001 |
6 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| M*** B*** | Secretary | Feb 1998 | |
| L*** M*** | Secretary | Feb 1998 | May 2001 |
| M*** B*** | Director | Sep 1998 | |
| P*** B*** | Director | May 2005 | |
| P*** J*** | Director | Nov 2012 | |
| L*** M*** | Director | Feb 1998 | May 2001 |
Person with significant control
Charges (secured borrowing)
1 of 1 registered charge is outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Barclays Bank PLC | Outstanding | Sep 1992 |
Where Design Heat Winchester Limited is registered
The registered office is in Winchester (SO23), in the Winchester local authority area, South East. Show SO23 9NT 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
What happens if Design Heat Winchester 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 01112141
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 May 1973 (53 years ago)
- Registered office
- 5 Bar End Road, Winchester, Hants, SO23 9NT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 30 September 2025
- Charges (mortgages)
- 1 outstanding of 1 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 Winchester
Other active plumbing and heating companies registered in Winchester.
- DMW Heating Limited2013
- Hampshire Plumbing Limited2010
- Heatsource Boilers Ltd2003
- Hot and Cold Technical (UK) Limited2006
- Hurlock & Taylor Plumbing & Heating Engineers Ltd2007
- J D Systems (South) Ltd2011
- J Nye Plumbing & Heating Ltd2025
- JSKL Ltd2010
All plumbing and heating companies in Winchester · All trades in Winchester · Plumbers and heating engineers across the UK
Frequently asked questions
When are Design Heat Winchester Limited's accounts due?
Design Heat Winchester Limited's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Design Heat Winchester Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Design Heat Winchester Limited still trading?
Design Heat Winchester 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 Design Heat Winchester Limited do?
Design Heat Winchester Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Design Heat Winchester Limited?
Design Heat Winchester Limited was incorporated on 7 May 1973, 53 years ago.
Who runs Design Heat Winchester Limited?
Design Heat Winchester Limited has 2 active directors, the longest-serving appointed in Feb 1998. Their names and service addresses are on the Companies House register.
Who owns Design Heat Winchester Limited?
One person or company has significant control of Design Heat Winchester Limited: an individual (owns 75% or more of the shares).
What is the penalty if Design Heat Winchester 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 Design Heat Winchester 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.