- Companies
- Property developers
- Chelmsford
- Seax Development Limited
Seax Development Limited
- Company number
- 14965007
- Incorporated
- 27 Jun 20233 years trading
- Registered office
- Swift House, Ground Floor, 18 Hoffmanns Way, Chelmsford, Essex, CM1 1GU
- Nature of business
- Development of building projects
Seax Development Limited is a 3-year-old private limited company registered in Chelmsford, company number 14965007, one of 279 property development companies in Chelmsford. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 £26K (-249%) on the year before, to -£37K.
- Current assets of £17K against £53K owed within a year: 0.3 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | -£37K | £8,124 | £17K | £53K | 0 |
| 30 Jun 2024 | -£11K | £1,796 | £5,156 | £16K | 1 |
Who runs and owns Seax Development Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| G*** H*** | Director | Jun 2023 |
Person with significant control
Where Seax Development Limited is registered
The registered office is in Chelmsford (CM1), in the Chelmsford local authority area, East of England. Show CM1 1GU on a map.
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Shared registered office
100 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 Seax Development 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 14965007
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 June 2023 (3 years ago)
- Registered office
- Swift House, Ground Floor, 18 Hoffmanns Way, Chelmsford, Essex, CM1 1GU
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 26 June 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 Chelmsford
Other active property development companies registered in Chelmsford.
- Serenity Developers Limited2026
- Service Hotels Limited1960
- SKD Construction Ltd2022
- Spebec Properties Limited1954
- Spike (Essex) Limited1996
- ST. Giles Property Developments Limited1993
- Strategix Developments Limited2026
- Stubbings Land Development Limited2019
All property development companies in Chelmsford · All trades in Chelmsford · Property developers across the UK
Frequently asked questions
When are Seax Development Limited's accounts due?
Seax Development Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Seax Development Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Seax Development Limited still trading?
Seax Development 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 Seax Development Limited do?
Seax Development Limited is registered under Development of building projects (SIC 41100).
How old is Seax Development Limited?
Seax Development Limited was incorporated on 27 June 2023, 3 years ago.
Who runs Seax Development Limited?
Seax Development Limited has 1 active director, the longest-serving appointed in Jun 2023. Their names and service addresses are on the Companies House register.
Who owns Seax Development Limited?
One person or company has significant control of Seax Development Limited: an individual (owns 75% or more of the shares).
What is the penalty if Seax Development 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 Seax Development 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.