- Companies
- Plumbers and heating engineers
- Swanage
- Dorset Heat Ltd
Dorset Heat Ltd
- Company number
- 08510088
- Incorporated
- 30 Apr 201313 years trading
- Registered office
- 37 Ulwell Road, Swanage, BH19 1LG
- Nature of business
- Plumbing, heat and air-conditioning installation
Dorset Heat Ltd is a 13-year-old private limited company registered in Swanage, company number 08510088, one of 16 plumbing and heating companies in Swanage. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £2,740 (+13.8%) on the year before, to -£17K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £17K against £29K owed within a year: 0.6 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 |
|---|---|---|---|---|---|
| 30 Apr 2025 | -£17K | £17K | £29K | 1 | |
| 30 Apr 2024 | -£20K | £18K | £34K | 1 | |
| 30 Apr 2023 | -£19K | £13K | £29K | 0 | |
| 30 Apr 2022 | -£8,297 | £14K | £24K | 0 | |
| 30 Apr 2021 | £4,125 | £1,031 | £11K | 0 | |
| 30 Apr 2020 | £11K | £15K | 2 | ||
| 30 Apr 2019 | £11K | £0 | £16K | ||
| 30 Apr 2018 | £252 | £3,497 | £9,995 | ||
| 30 Apr 2017 | -£2,466 | £2,143 | £14K | ||
| 30 Apr 2016 | -£4,724 | £4,707 | £9,707 | £16K |
Where Dorset Heat Ltd is registered
The registered office is in Swanage (BH19), in the Dorset local authority area, South West. Show BH19 1LG on a map.
Other trade companies in BH19
- Stella Leisure LimitedSpecialist contractors
- Meteau Properties LimitedBuilders
- SF Construction (Dorset) LtdInstallers
- Kick Car Care LtdMechanics and garages
- L Parker Building Services LtdPlumbers and heating engineers
- Marston Property (Dorset) LtdBuilders
- Egan Customs LtdMechanics and garages
- Cleanbeee Services LtdCleaning companies
What happens if Dorset Heat 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 08510088
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 April 2013 (13 years ago)
- Registered office
- 37 Ulwell Road, Swanage, BH19 1LG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 30 April 2026
- Previous names
- Swanage and Purbeck Plumbing and Heating Limited (until 26 Feb 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 Swanage
Other active plumbing and heating companies registered in Swanage.
- Greenheat Plumbing & Heating Ltd2012
- Hillcrest Heating & Plumbing Ltd2024
- Jones & Prior of Swanage Limited2023
- JSG Plumbing & Heating Limited2007
- L Parker Building Services Ltd2026
- Matthew Turner Plumbing and Heating Limited2011
- Pesquero Ltd2021
- Purbeck Heating and Electrical Limited2002
All plumbing and heating companies in Swanage · All trades in Swanage · Plumbers and heating engineers across the UK
Frequently asked questions
When are Dorset Heat Ltd's accounts due?
Dorset Heat Ltd's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is Dorset Heat Ltd's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Dorset Heat Ltd still trading?
Dorset Heat 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 Dorset Heat Ltd do?
Dorset Heat Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Dorset Heat Ltd?
Dorset Heat Ltd was incorporated on 30 April 2013, 13 years ago.
What is the penalty if Dorset Heat 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 Dorset Heat 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.