- Companies
- Installers
- Exeter
- RM Thermal Ltd
RM Thermal Ltd
- Company number
- 08392129
- Incorporated
- 7 Feb 201313 years trading
- Registered office
- The Summit Woodwater Park, Pynes Hill, Exeter, Devon, EX2 5WS
- Nature of business
- Other construction installation
RM Thermal Ltd is a 13-year-old private limited company registered in Exeter, company number 08392129, one of 55 installation companies (insulation, lifts, shutters and similar) in Exeter. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £33K (+76.3%) on the year before, to £76K.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £98K against £44K owed within a year: 2.2 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £76K | £14K | £98K | £44K | 0 |
| 28 Feb 2024 | £43K | £2,749 | £66K | £43K | 5 |
| 28 Feb 2023 | £49K | £6,507 | £100K | £49K | 6 |
| 28 Feb 2022 | £11K | £11K | £63K | £38K | 5 |
| 28 Feb 2021 | £1,913 | £9,853 | £55K | £18K | 5 |
| 29 Feb 2020 | £45K | £5,352 | £54K | £22K | 6 |
| 28 Feb 2020 | £45K | £5,352 | £54K | £22K | 6 |
| 28 Feb 2019 | £91K | £23 | £122K | £47K | |
| 28 Feb 2018 | £44K | £2,888 | £78K | £46K | |
| 28 Feb 2017 | £56K | £3,868 | £59K | £18K |
Where RM Thermal Ltd is registered
The registered office is in Exeter (EX2), in the Exeter local authority area, South West. Show EX2 5WS on a map.
Other trade companies in EX2
- Drive Point Automotive LtdMotor traders
- Dent Care Exeter LtdMechanics and garages
- Reed Services LtdSpecialist contractors
- Renew Heat Southwest LtdPlumbers and heating engineers
- Roxel Constructions LimitedBuilders
- Watipa Electrics LimitedElectricians
- Solution Autobodies LtdMechanics and garages
- Abc Solutions (Exeter) LtdSpecialist contractors
Shared registered office
26 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if RM Thermal 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 08392129
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2013 (13 years ago)
- Registered office
- The Summit Woodwater Park, Pynes Hill, Exeter, Devon, EX2 5WS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 7 February 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Exeter
Other active installation companies (insulation, lifts, shutters and similar) registered in Exeter.
- Smashem Limited2023
- Solnet Group UK Limited2025
- Somerset Building & Development Limited2011
- South West Damp & Cavity Specialists Ltd2026
- Sungift Solar Limited2007
- SW Renewable Services Ltd2023
- Thestudiocraft Ltd2021
- Timbercraft South West Limited2013
All installation companies (insulation, lifts, shutters and similar) in Exeter · All trades in Exeter · Installers across the UK
Frequently asked questions
When are RM Thermal Ltd's accounts due?
RM Thermal Ltd's next accounts are due at Companies House by 30 November 2026 (in 49 days), covering the period to 28 February 2026.
When is RM Thermal Ltd's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is RM Thermal Ltd still trading?
RM Thermal 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 RM Thermal Ltd do?
RM Thermal Ltd is registered under Other construction installation (SIC 43290).
How old is RM Thermal Ltd?
RM Thermal Ltd was incorporated on 7 February 2013, 13 years ago.
What is the penalty if RM Thermal 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 RM Thermal 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.