- Companies
- Installers
- Aylesbury
- DMH Thermal Ltd
DMH Thermal Ltd
- Company number
- 08853779
- Incorporated
- 21 Jan 201412 years trading
- Registered office
- 16 the Green, Aston Abbotts, Aylesbury, HP22 4LX
- Nature of business
- Other construction installation
DMH Thermal Ltd is a 12-year-old private limited company registered in Aylesbury, company number 08853779, one of 57 installation companies (insulation, lifts, shutters and similar) in Aylesbury. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 DMH Thermal LtdOr 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 £3,198 (-70%) on the year before, to -£7,765.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £5,432 against £4,030 owed within a year: 1.3 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | -£7,765 | £5,432 | £4,030 | 1 | |
| 31 Jan 2024 | -£4,567 | £6,615 | £1,623 | 1 | |
| 31 Jan 2023 | -£6,154 | £6,564 | £1,477 | 1 | |
| 31 Jan 2022 | -£6,414 | £7,130 | £1,188 | 1 | |
| 31 Jan 2021 | -£6,684 | £7,190 | £2,020 | 1 | |
| 31 Jan 2020 | £2,515 | £7,364 | £2,767 | 1 | |
| 31 Jan 2019 | £1,439 | £6,297 | £2,768 | ||
| 31 Jan 2018 | £322 | £7,079 | £3,619 | ||
| 31 Jan 2017 | £434 | £7,770 | £6,316 | ||
| 31 Jan 2016 | £5,330 | £6,706 | £14K | £8,065 |
Who runs and owns DMH Thermal Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officers (2)
| Name | Role | Appointed |
|---|---|---|
| D*** H*** | Director | Jan 2014 |
| L*** H*** | Secretary | Feb 2024 |
3 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| J*** H*** | Director | Jan 2014 | Jun 2014 |
| L*** H*** | Director | Jan 2014 | Feb 2024 |
| M*** H*** | Director | Jan 2014 | Dec 2014 |
Person with significant control
Where DMH Thermal Ltd is registered
The registered office is in Aylesbury (HP22), in the Buckinghamshire local authority area, South East. Show HP22 4LX on a map.
Other trade companies in HP22
- RZK Automotive & Recovery LtdMotor traders
- Ejp Facilities & Maintenance LimitedFacilities management
- Clearway Group Solutions LtdCleaning companies
- DM Select Motors LimitedMotor traders
- Ea 4Property LtdProperty developers
- Warner Made LtdProperty developers
- JTC Dev 1 LimitedProperty developers
- Custom Colour Coatings Group LtdMotor traders
What happens if DMH 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 31 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 08853779
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 January 2014 (12 years ago)
- Registered office
- 16 the Green, Aston Abbotts, Aylesbury, HP22 4LX
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 21 January 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 Aylesbury
Other active installation companies (insulation, lifts, shutters and similar) registered in Aylesbury.
- Dragon Fire Stopping Limited2026
- Dstell Services Ltd2026
- Duff's Stuff Limited2013
- E&F Glazing & Property Maintenance Ltd2025
- Fast Track Field Services Ltd2026
- George Rose Developments Ltd2017
- GP Services (Milton Keynes) Limited2006
- Grove Glazing and Frame Fixing Ltd2024
All installation companies (insulation, lifts, shutters and similar) in Aylesbury · All trades in Aylesbury · Installers across the UK
Frequently asked questions
When are DMH Thermal Ltd's accounts due?
DMH Thermal Ltd's next accounts are due at Companies House by 31 October 2026 (in 18 days), covering the period to 31 January 2026.
When is DMH Thermal Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is DMH Thermal Ltd still trading?
DMH 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 DMH Thermal Ltd do?
DMH Thermal Ltd is registered under Other construction installation (SIC 43290).
How old is DMH Thermal Ltd?
DMH Thermal Ltd was incorporated on 21 January 2014, 12 years ago.
Who runs DMH Thermal Ltd?
DMH Thermal Ltd has 1 active director, the longest-serving appointed in Jan 2014. Their names and service addresses are on the Companies House register.
Who owns DMH Thermal Ltd?
One person or company has significant control of DMH Thermal Ltd: an individual (owns 25% to 50% of the shares).
What is the penalty if DMH 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 DMH 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.