- Companies
- Property developers
- Tenterden
- Dunmark Limited
Dunmark Limited
- Company number
- 01620215
- Incorporated
- 5 Mar 198244 years trading
- Registered office
- 6 Hurst Close, Tenterden, Kent, TN30 6UG
- Nature of business
- Development of building projects
Dunmark Limited is a 44-year-old private limited company registered in Tenterden, company number 01620215, one of 17 property development companies in Tenterden. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 Dunmark LimitedOr 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 £879K (-20.4%) on the year before, to £3.4M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £3.3M against £41K owed within a year: more than 10 times cover.
- 1 employee on average, down from 2 the year before.
- 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 |
|---|---|---|---|---|---|
| 30 Sep 2025 | £3.4M | £3.3M | £41K | 1 | |
| 30 Sep 2024 | £4.3M | £4.4M | £195K | 2 | |
| 30 Sep 2023 | £4.3M | £4.2M | £113K | 2 | |
| 30 Sep 2022 | £3.9M | £3.7M | £110K | 2 | |
| 30 Sep 2021 | £3.6M | £3.9M | £581K | 2 | |
| 30 Sep 2020 | £3.2M | £3.7M | £457K | 2 | |
| 30 Sep 2019 | £2.9M | £3.8M | £862K | ||
| 30 Sep 2018 | £2.8M | £3M | £66K | ||
| 30 Sep 2017 | £2.6M | £2.5M | £399K | ||
| 30 Sep 2016 | £2.4M | £565K | £2.7M | £435K |
Where Dunmark Limited is registered
The registered office is in Tenterden (TN30), in the Ashford local authority area, South East. Show TN30 6UG on a map.
Other trade companies in TN30
- Alexander Hatfield LimitedMechanics and garages
- Verello Access Solutions LtdSpecialist contractors
- JRB Roofing & Building LtdBuilders
- Embery Property Group LtdBuilders
- Power Networking Solutions LtdMachinery repair and installation
- M Harrington Tree Surgery LtdLandscapers and gardeners
- Harrington Motors (Kent) LtdMechanics and garages
- RTJ New Homes LimitedBuilders
What happens if Dunmark 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 01620215
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 March 1982 (44 years ago)
- Registered office
- 6 Hurst Close, Tenterden, Kent, TN30 6UG
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 3 February 2026
- Charges (mortgages)
- 4 outstanding of 9 registered
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Tenterden
Other active property development companies registered in Tenterden.
- Edmonds Brothers (Contractors) Limited1996
- Giles Oliver Contracts Limited2019
- Hillstone Property Developments Ltd2021
- HWB Homes Ltd2024
- KPC Maintenance Limited2017
- Marnex Contractors Limited2003
- Mereview Limited1974
- Neoteric Anchor Ltd2025
All property development companies in Tenterden · All trades in Tenterden · Property developers across the UK
Frequently asked questions
When are Dunmark Limited's accounts due?
Dunmark Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Dunmark Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Dunmark Limited still trading?
Dunmark 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 Dunmark Limited do?
Dunmark Limited is registered under Development of building projects (SIC 41100).
How old is Dunmark Limited?
Dunmark Limited was incorporated on 5 March 1982, 44 years ago.
What is the penalty if Dunmark 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 Dunmark 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.