- Companies
- Property developers
- Bridport
- Atn Developments Ltd
Atn Developments Ltd
- Company number
- 15110872
- Incorporated
- 2 Sep 20233 years trading
- Registered office
- Myrtle House, Higher Street, Bridport, DT6 3HZ
- Nature of business
- Development of building projects
Atn Developments Ltd is a 3-year-old private limited company registered in Bridport, company number 15110872, one of 21 property development companies in Bridport. Companies House shows its accounts as overdue: they were due on 30 June 2026.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Where Atn Developments Ltd is registered
The registered office is in Bridport (DT6), in the Dorset local authority area, South West. Show DT6 3HZ on a map.
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- Sacred Windows LtdInstallers
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- Build A Brick LtdBuilders
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Also registered at this address
1 other company uses the same registered office as Atn Developments Ltd.
- Ten Motors LtdMotor traders
What happens if Atn Developments Ltd files late
If the accounts reach Companies House today, the late filing penalty is £750 (£1,500 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2026 to 31 Jul 2026 | £150 |
| 1 to 3 months late | 1 Aug 2026 to 30 Sep 2026 | £375 |
| 3 to 6 months late | 1 Oct 2026 to 31 Dec 2026 | £750 |
| More than 6 months late | From 1 Jan 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2026 | £200 |
| 3 months late | 30 Dec 2026 | another £200 |
| 6 months late | 30 Mar 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2027 | 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
- 15110872
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 September 2023 (3 years ago)
- Registered office
- Myrtle House, Higher Street, Bridport, DT6 3HZ
- 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 2024
- Last confirmation statement
- 1 September 2025
- Charges (mortgages)
- 1 outstanding of 1 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 Bridport
Other active property development companies registered in Bridport.
- Chiselbuild Ltd2018
- CJ Building Maintenance & Developments Limited2008
- Dmca Builders Ltd2023
- Fat Hen Properties Ltd2000
- FB Homes Ltd2024
- Ferrymoss Limited1984
- Graham Moody Associates Limited1997
- Hamsfield Ltd2020
All property development companies in Bridport · All trades in Bridport · Property developers across the UK
Frequently asked questions
When are Atn Developments Ltd's accounts due?
Atn Developments Ltd's accounts were due at Companies House on 30 June 2026 and the register shows them as overdue.
When is Atn Developments Ltd's CT600 due?
The CT600 for the period to 30 September 2025 is due at HMRC by 30 September 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2026.
Is Atn Developments Ltd still trading?
Atn Developments Ltd is listed as active on the Companies House register (checked 12 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 Atn Developments Ltd do?
Atn Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Atn Developments Ltd?
Atn Developments Ltd was incorporated on 2 September 2023, 3 years ago.
What is the penalty if Atn Developments 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 Atn Developments Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.