- Companies
- Installers
- West Malling
- Dmax Building Ltd
Dmax Building Ltd
- Company number
- 12446329
- Incorporated
- 6 Feb 20206 years trading
- Registered office
- 19/21 Swan Street, West Malling, Kent, ME19 6JU
- Nature of business
- Other construction installation; Other building completion and finishing
Dmax Building Ltd is a 6-year-old private limited company registered in West Malling, company number 12446329, one of 22 installation companies (insulation, lifts, shutters and similar) in West Malling. 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 down £1,613 (-88.9%) on the year before, to £202.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £12K against £15K owed within a year: 0.8 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2025 | £202 | £2,489 | £12K | £15K | 0 |
| 29 Feb 2024 | £1,815 | £16K | £30K | £31K | 2 |
| 28 Feb 2023 | £15K | £35K | £46K | £34K | 2 |
| 28 Feb 2022 | £1,579 | £48K | £49K | £48K | 2 |
| 28 Feb 2021 | £10 |
Where Dmax Building Ltd is registered
The registered office is in West Malling (ME19), in the Tonbridge and Malling local authority area, South East. Show ME19 6JU on a map.
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- Emergency Vehicle Rescue UK LimitedMechanics and garages
Shared registered office
44 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 Dmax Building 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
- 12446329
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 February 2020 (6 years ago)
- Registered office
- 19/21 Swan Street, West Malling, Kent, ME19 6JU
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390) - Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 17 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 West Malling
Other active installation companies (insulation, lifts, shutters and similar) registered in West Malling.
- Energy Rated Windows Ltd2009
- Icon Property Development Ltd2025
- Infinite Energy Business Ltd2024
- Infinite Energy Group Ltd2022
- Infinite Energy Home Ltd2024
- J Hampson Ltd2023
- JW Pump Services Limited2019
- K.D.S. (Kingdom Development Services) Limited2016
All installation companies (insulation, lifts, shutters and similar) in West Malling · All trades in West Malling · Installers across the UK
Frequently asked questions
When are Dmax Building Ltd's accounts due?
Dmax Building 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 Dmax Building 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 Dmax Building Ltd still trading?
Dmax Building 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 Dmax Building Ltd do?
Dmax Building Ltd is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390).
How old is Dmax Building Ltd?
Dmax Building Ltd was incorporated on 6 February 2020, 6 years ago.
What is the penalty if Dmax Building 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 Dmax Building 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.