- Companies
- Property developers
- Poole
- Hartmont JK Limited
Hartmont JK Limited
- Company number
- 15854493
- Incorporated
- 23 Jul 20242 years trading
- Registered office
- Lytchett House 13 Freeland Park, Wareham Road, Poole, Dorset, BH16 6FA
- Nature of business
- Development of building projects; Construction of commercial buildings
Hartmont JK Limited is a 2-year-old private limited company registered in Poole, company number 15854493, one of 330 property development companies in Poole. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 July 2025, as filed at Companies House.
Where Hartmont JK Limited is registered
The registered office is in Poole (BH16), in the Dorset local authority area, South West. Show BH16 6FA on a map.
Other trade companies in BH16
- Kerthow LimitedProperty developers
- Together Rewards LtdMotor traders
- Evans Home Servicing LtdJoiners and carpenters
- Core Electrical LtdElectricians
- Morrish Developments LimitedProperty developers
- Puraheat LtdPlumbers and heating engineers
- Quintopus LtdProperty developers
- Sika Property Services LtdSpecialist contractors
Shared registered office
37 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 Hartmont JK 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 15854493
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2024 (2 years ago)
- Registered office
- Lytchett House 13 Freeland Park, Wareham Road, Poole, Dorset, BH16 6FA
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201) - Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 22 July 2026
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 Poole
Other active property development companies registered in Poole.
- Haz Management Ltd2007
- HBH Bentley Ltd2025
- HDM (Sandhurst) Limited2017
- HDM Leisure Limited2009
- HJDT Developments Ltd2026
- Home Projects Poole Limited2024
- Homeshield Plus Limited2017
- Howarth Construction Contracts Ltd2017
All property development companies in Poole · All trades in Poole · Property developers across the UK
Frequently asked questions
When are Hartmont JK Limited's accounts due?
Hartmont JK Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Hartmont JK Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Hartmont JK Limited still trading?
Hartmont JK 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 Hartmont JK Limited do?
Hartmont JK Limited is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201).
How old is Hartmont JK Limited?
Hartmont JK Limited was incorporated on 23 July 2024, 2 years ago.
What is the penalty if Hartmont JK 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 Hartmont JK 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.