- Companies
- Property developers
- London
- JH SGN Ltd
JH SGN Ltd
- Company number
- 16510400
- Incorporated
- 11 Jun 20251 year trading
- Registered office
- Suite 5, 88 Lower Marsh, London, SE1 7AB
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
JH SGN Ltd is a 1-year-old private limited company registered in London, company number 16510400, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 11 March 2027, and its first CT600 is due at HMRC on 10 June 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where JH SGN Ltd is registered
The registered office is in London (SE1), in the Lambeth local authority area, London. Show SE1 7AB on a map.
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Also registered at this address
10 other companies use the same registered office as JH SGN Ltd.
- Delft (40A Foxley Lane) LtdProperty developers
- JH (Sylvan) LimitedProperty developers
- JH Browns Lane LimitedProperty developers
- JH Fairfax LtdProperty developers
- JH Highams LtdProperty developers
- JHR Fairfax LimitedProperty developers
- JHR Kentish Town LtdProperty developers
- PW Centre LtdProperty developers
- Rad Developments LtdProperty developers
- Spring Regeneration LtdProperty developers
What happens if JH SGN 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 11 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 12 Mar 2027 to 11 Apr 2027 | £150 |
| 1 to 3 months late | 12 Apr 2027 to 11 Jun 2027 | £375 |
| 3 to 6 months late | 12 Jun 2027 to 11 Sep 2027 | £750 |
| More than 6 months late | From 12 Sep 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
- 16510400
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 June 2025 (1 year ago)
- Registered office
- Suite 5, 88 Lower Marsh, London, SE1 7AB
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 10 June 2026
- Charges (mortgages)
- 2 outstanding of 2 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 London
Other active property development companies registered in London.
- JHC Investments Ltd2026
- JHM Developments Ltd2020
- JHR Kentish Town Ltd2024
- Jhsa Properties Ltd2023
- Jiajia Luo Ltd2023
- Jiayi Fashion Limited2018
- Jigsaw Group (Northern) Ltd2025
- Jim Bergerac Limited2015
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are JH SGN Ltd's accounts due?
JH SGN Ltd's next accounts are due at Companies House by 11 March 2027 (in 149 days), covering the period to 30 June 2026.
When is JH SGN Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 10 June 2026, due by 10 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is JH SGN Ltd still trading?
JH SGN 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 JH SGN Ltd do?
JH SGN Ltd is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is JH SGN Ltd?
JH SGN Ltd was incorporated on 11 June 2025, 1 year ago.
What is the penalty if JH SGN 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 JH SGN 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.