- Companies
- Property developers
- Swansea
- Eon Estates Limited
Eon Estates Limited
- Company number
- 10185470
- Incorporated
- 18 May 201610 years trading
- Registered office
- Suite C, 10TH Floor, Princess House, Princess Way, Swansea, SA1 3LW
- Nature of business
- Development of building projects
Eon Estates Limited is a 10-year-old private limited company registered in Swansea, company number 10185470, one of 273 property development companies in Swansea. Its next accounts are due at Companies House on 29 August 2027, and the CT600 for the period to 29 November 2026 is due at HMRC on 29 November 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 £1,127 (-3.1%) on the year before, to -£37K.
- Net assets rose in 0 of 7 year-on-year comparisons on record.
- Current assets of £89K against £125K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£37K | £89K | £125K | 1 | |
| 30 Nov 2024 | -£36K | £89K | £124K | 1 | |
| 31 May 2023 | -£33K | £89K | £122K | 1 | |
| 31 May 2022 | -£31K | £89K | £118K | 1 | |
| 31 May 2021 | -£30K | £73K | £103K | 1 | |
| 31 May 2020 | -£19K | £80K | 0 | ||
| 31 May 2019 | -£19K | £0 | £80K | 0 | |
| 31 May 2018 | -£16K | £19 | £77K | 0 |
Where Eon Estates Limited is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 3LW on a map.
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What happens if Eon Estates 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 29 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Aug 2027 to 29 Sep 2027 | £150 |
| 1 to 3 months late | 30 Sep 2027 to 29 Nov 2027 | £375 |
| 3 to 6 months late | 30 Nov 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Nov 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 29 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Nov 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
- 10185470
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 May 2016 (10 years ago)
- Registered office
- Suite C, 10TH Floor, Princess House, Princess Way, Swansea, SA1 3LW
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 29 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 30 May 2026
- Previous names
- Eon Construction Limited (until 5 Jan 2017)
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 Swansea
Other active property development companies registered in Swansea.
- Eynon Investments Ltd2013
- Fad Fragrances Limited2016
- FBB Developments Ltd2020
- FBM Construction Ltd2016
- Fountain Developments (Sileby) Limited2003
- Fox Property Developments Ltd2021
- Froome Burton Limited2021
- Furlong Bau Limited2021
All property development companies in Swansea · All trades in Swansea · Property developers across the UK
Frequently asked questions
When are Eon Estates Limited's accounts due?
Eon Estates Limited's next accounts are due at Companies House by 29 August 2027 (in 321 days), covering the period to 29 November 2026.
When is Eon Estates Limited's CT600 due?
The CT600 for the period to 29 November 2026 is due at HMRC by 29 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 August 2027.
Is Eon Estates Limited still trading?
Eon Estates 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 Eon Estates Limited do?
Eon Estates Limited is registered under Development of building projects (SIC 41100).
How old is Eon Estates Limited?
Eon Estates Limited was incorporated on 18 May 2016, 10 years ago.
What is the penalty if Eon Estates 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 Eon Estates 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.