- Companies
- Plumbers and heating engineers
- Farnham
- Promech Heating Services Ltd
Promech Heating Services Ltd
- Company number
- 10231075
- Incorporated
- 14 Jun 201610 years trading
- Registered office
- 1 the Kiln, Penn Croft Farm, Crondall, Farnham, Surrey, GU10 5PX
- Nature of business
- Plumbing, heat and air-conditioning installation
Promech Heating Services Ltd is a 10-year-old private limited company registered in Farnham, company number 10231075, one of 36 plumbing and heating companies in Farnham. 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.
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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 £132K (-53.4%) on the year before, to £115K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- Current assets of £750K against £678K owed within a year: 1.1 times cover.
- 9 employees on average, up from -10 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £115K | £750K | £678K | 9 | |
| 30 Jun 2024 | £247K | £160K | £682K | £447K | -10 |
| 30 Jun 2023 | £193K | £162K | £684K | £523K | -7 |
| 30 Jun 2022 | -£15K | £296K | £376K | £404K | -6 |
| 30 Jun 2021 | £171 | £135K | £362K | £292K | -4 |
| 30 Jun 2020 | £15K | £203K | £403K | £323K | -2 |
| 30 Jun 2019 | £34K | £97K | £132K | £105K | -2 |
| 30 Jun 2018 | £1,628 | £38K | £39K | £43K | -1 |
| 30 Jun 2017 | £25K | £9,295 | £62K | £44K |
Where Promech Heating Services Ltd is registered
The registered office is in Farnham (GU10), in the Hart local authority area, South East. Show GU10 5PX on a map.
Other trade companies in GU10
- Ever Peak Roofing Group LtdRoofers
- Beams and Gable Finance LtdProperty developers
- Smart PFP LimitedInstallers
- Stateline MOT Centre LimitedMechanics and garages
- Northbank Seaview LimitedProperty developers
- Novagrass LimitedLandscapers and gardeners
- Avenue Roofing Surrey LtdRoofers
- Mark John Stevens Roofing LtdRoofers
Also registered at this address
1 other company uses the same registered office as Promech Heating Services Ltd.
- P.A Mechanical Services LtdSpecialist contractors
What happens if Promech Heating Services 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 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
- 10231075
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 June 2016 (10 years ago)
- Registered office
- 1 the Kiln, Penn Croft Farm, Crondall, Farnham, Surrey, GU10 5PX
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 13 June 2026
- 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 Farnham
Other active plumbing and heating companies registered in Farnham.
- Ryc Services Ltd2021
- SN Mechanical Services Limited2013
- Steve Gold Air Conditioning Limited2024
- Surrey Mechanical Solutions Limited2026
- Tekul Ltd2024
- UK Renewables & Ventilation Ltd2023
- Ukph Limited2020
- Weyside Heating Services Ltd2020
All plumbing and heating companies in Farnham · All trades in Farnham · Plumbers and heating engineers across the UK
Frequently asked questions
When are Promech Heating Services Ltd's accounts due?
Promech Heating Services Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Promech Heating Services Ltd'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 Promech Heating Services Ltd still trading?
Promech Heating Services 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 Promech Heating Services Ltd do?
Promech Heating Services Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Promech Heating Services Ltd?
Promech Heating Services Ltd was incorporated on 14 June 2016, 10 years ago.
What is the penalty if Promech Heating Services 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 Promech Heating Services 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.