- Companies
- Plumbers and heating engineers
- Sherborne
- Heatwave Mechanical Services Limited
Heatwave Mechanical Services Limited
- Company number
- 09049404
- Incorporated
- 21 May 201412 years trading
- Registered office
- Clifton Barn Huish Farm, Bradford Abbas, Sherborne, Dorset, DT9 6RE
- Nature of business
- Plumbing, heat and air-conditioning installation
Heatwave Mechanical Services Limited is a 12-year-old private limited company registered in Sherborne, company number 09049404, one of 21 plumbing and heating companies in Sherborne. Its next accounts are due at Companies House on 29 February 2028, and the CT600 for the period to 31 May 2027 is due at HMRC on 31 May 2028.
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 down £43K (-25.9%) on the year before, to £123K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £393K against £202K owed within a year: 1.9 times cover.
- 13 employees on average, down from 14 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2026 | £123K | £240K | £393K | £202K | 13 |
| 31 May 2025 | £166K | £383K | £469K | £243K | 14 |
| 31 May 2024 | £65K | £226K | £295K | £184K | 16 |
| 31 May 2023 | £91K | £232K | £456K | £290K | 15 |
| 31 May 2022 | £67K | £257K | £433K | £266K | 15 |
| 31 May 2021 | £29K | £196K | £339K | £185K | 14 |
| 31 May 2020 | -£6,237 | £148K | £219K | £106K | 10 |
| 31 May 2019 | £47K | £75K | £165K | £124K | 10 |
| 31 May 2018 | £24K | £21K | £130K | £117K | 10 |
| 31 May 2017 | £8,760 | £19K | £72K | £81K |
Where Heatwave Mechanical Services Limited is registered
The registered office is in Sherborne (DT9), in the Dorset local authority area, South West. Show DT9 6RE on a map.
Other trade companies in DT9
- JG-Avionics LtdMechanics and garages
- Netherline LtdProperty developers
- CJCR LimitedJoiners and carpenters
- M Curtis and Sons Building LtdBuilders
- Leb Electronics LtdMachinery repair and installation
- Conduit Construction Group LimitedFinishing trades
- Townsend Electrical Contracting LtdElectricians
- Celma LimitedFinishing trades
What happens if Heatwave Mechanical Services 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 29 February 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2028 to 31 Mar 2028 | £150 |
| 1 to 3 months late | 1 Apr 2028 to 31 May 2028 | £375 |
| 3 to 6 months late | 1 Jun 2028 to 31 Aug 2028 | £750 |
| More than 6 months late | From 1 Sep 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2028 | £200 |
| 3 months late | 31 Aug 2028 | another £200 |
| 6 months late | 30 Nov 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 2029 | 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
- 09049404
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 May 2014 (12 years ago)
- Registered office
- Clifton Barn Huish Farm, Bradford Abbas, Sherborne, Dorset, DT9 6RE
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2026
- Last confirmation statement
- 7 February 2026
- Charges (mortgages)
- 2 outstanding of 2 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 Sherborne
Other active plumbing and heating companies registered in Sherborne.
- J K Services Dorset Ltd2022
- L Rallison Plumbing & Heating Ltd2019
- MJ HPPS Ltd2004
- Parsons Refrigeration Limited2006
- Patrick's Plumbing and Heating Ltd2021
- Renew-Heat Ltd2023
- Response Property Services South West Ltd2025
- Ruddy's Plumbing & Heating Ltd2025
All plumbing and heating companies in Sherborne · All trades in Sherborne · Plumbers and heating engineers across the UK
Frequently asked questions
When are Heatwave Mechanical Services Limited's accounts due?
Heatwave Mechanical Services Limited's next accounts are due at Companies House by 29 February 2028 (in 504 days), covering the period to 31 May 2027.
When is Heatwave Mechanical Services Limited's CT600 due?
The CT600 for the period to 31 May 2027 is due at HMRC by 31 May 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2028.
Is Heatwave Mechanical Services Limited still trading?
Heatwave Mechanical Services 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 Heatwave Mechanical Services Limited do?
Heatwave Mechanical Services Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Heatwave Mechanical Services Limited?
Heatwave Mechanical Services Limited was incorporated on 21 May 2014, 12 years ago.
What is the penalty if Heatwave Mechanical Services 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 Heatwave Mechanical Services 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.