- Companies
- Property developers
- Edinburgh
- Sonich Developments Ltd
Sonich Developments Ltd
- Company number
- SC657510
- Incorporated
- 16 Mar 20206 years trading
- Registered office
- 39 Polwarth Terrace, Edinburgh, EH11 1NL
- Nature of business
- Development of building projects
Sonich Developments Ltd is a 6-year-old private limited company registered in Edinburgh, company number SC657510, one of 498 property development companies in Edinburgh. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £462 (-229.9%) on the year before, to -£663.
- Net assets rose in 1 of 4 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£663 | £200K | 0 | ||
| 31 Mar 2024 | -£201 | £200K | 0 | ||
| 31 Mar 2023 | £203 | £199K | 0 | ||
| 31 Mar 2022 | £602 | £0 | £100K | 0 | |
| 31 Mar 2021 | £2 |
Where Sonich Developments Ltd is registered
The registered office is in Edinburgh (EH11), in the City of Edinburgh local authority area, Scotland. Show EH11 1NL on a map.
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Also registered at this address
1 other company uses the same registered office as Sonich Developments Ltd.
- Thomson Developments LtdProperty developers
What happens if Sonich Developments 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- SC657510
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 March 2020 (6 years ago)
- Registered office
- 39 Polwarth Terrace, Edinburgh, EH11 1NL
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 19 December 2025
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 Edinburgh
Other active property development companies registered in Edinburgh.
- Soulscape Property Developments Limited2022
- Spod (UK) Ltd.2000
- Square and Crescent Ltd2005
- Steven Cassidy Building Services Limited2025
- Stoneypath Steading Ltd2026
- Strathcarron Estates (Johnstone) Limited2019
- Strathcarron Estates Limited2004
- Summit Fitness ( Property) Ltd2022
All property development companies in Edinburgh · All trades in Edinburgh · Property developers across the UK
Frequently asked questions
When are Sonich Developments Ltd's accounts due?
Sonich Developments Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Sonich Developments Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Sonich Developments Ltd still trading?
Sonich Developments 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 Sonich Developments Ltd do?
Sonich Developments Ltd is registered under Development of building projects (SIC 41100).
How old is Sonich Developments Ltd?
Sonich Developments Ltd was incorporated on 16 March 2020, 6 years ago.
What is the penalty if Sonich 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 Sonich Developments 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.