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- Halcyon Building Ltd
Company profile · Property developers
Halcyon Building Ltd
Halcyon Building Ltd is a 9-year-old private limited company registered in Brighton, company number 10823089, one of 314 property development companies in Brighton. 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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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Halcyon Building Ltd over the years
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 £417 (-88.7%) on the year before, to £53.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £63K against £70K owed within a year: 0.9 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 Jun 2025 | £53 | £14K | £63K | £70K | 1 |
| 30 Jun 2024 | £470 | £12K | £56K | £63K | 1 |
| 30 Jun 2023 | -£45K | £1,749 | £73K | 0 | |
| 30 Jun 2022 | £758 | £0 | £47K | £73K | 1 |
| 30 Jun 2021 | £5,392 | £22K | £63K | £65K | 2 |
| 30 Jun 2020 | £24K | £93K | £95K | £78K | 2 |
| 30 Jun 2019 | £51 | £17K | £22K | £29K | 2 |
| 30 Jun 2018 | £864 | £1,068 | £3,468 | £11K | 2 |
Where Halcyon Building Ltd is registered
The registered office is in Brighton (BN1), in the Brighton and Hove local authority area, South East. Show BN1 1WN on a map.
Other trade companies in BN1
- Appliance & Home Care LtdRepair services
- Steeleagle LtdMachinery repair and installation
- C & G Energy Solutions LimitedPlumbers and heating engineers
- Ruihe Raising Property LtdProperty developers
- Davinci Building LtdSpecialist contractors
- Almore Roofing & Guttering LtdRoofers
- Neo Av LtdMachinery repair and installation
- Akoma Homes and Commercial Cleaning LtdCleaning companies
Shared registered office
41 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 Halcyon Building Ltd 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
- 10823089
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 June 2017 (9 years ago)
- Registered office
- 12A Marlborough Place, Brighton, BN1 1WN
- 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
- 15 June 2026
- Previous names
- 360 Home Ltd (until 1 Nov 2018)
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 Brighton
Other active property development companies registered in Brighton.
- Hall Developments (Sussex) Ltd2021
- Hall Stone Developments (Sussex) Ltd2026
- Hallam Holdings Limited2019
- Haycrest Limited2013
- HGP Developments Limited2007
- Hi Tech Remedial & Development Limited2012
- Highbeech Properties Limited2015
- Hill in the Fold Limited2016
All property development companies in Brighton · All trades in Brighton · Property developers across the UK
Frequently asked questions
When are Halcyon Building Ltd's accounts due?
Halcyon Building Ltd's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Halcyon Building Ltd'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 Halcyon Building Ltd still trading?
Halcyon Building Ltd 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 Halcyon Building Ltd do?
Halcyon Building Ltd is registered under Development of building projects (SIC 41100).
How old is Halcyon Building Ltd?
Halcyon Building Ltd was incorporated on 16 June 2017, 9 years ago.
What is the penalty if Halcyon Building 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 Halcyon Building Ltd 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.