- Companies
- Property developers
- London
- Serian Properties Limited
Serian Properties Limited
- Company number
- 04778639
- Incorporated
- 28 May 200323 years trading
- Registered office
- 39 Alleyn Road, Dulwich, London, Greater London, SE21 8AD
- Nature of business
- Development of building projects; Other letting and operating of own or leased real estate
Serian Properties Limited is a 23-year-old private limited company registered in London, company number 04778639, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 up £267K (+5.4%) on the year before, to £5.2M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £620K against £46K owed within a year: more than 10 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £5.2M | £478K | £620K | £46K | 2 |
| 31 May 2024 | £4.9M | £489K | £680K | £116K | 2 |
| 31 May 2023 | £5M | £276K | £434K | £121K | 2 |
| 31 May 2022 | £5.2M | £405K | £545K | £212K | 2 |
| 31 May 2021 | £4.6M | £277K | £480K | £67K | 2 |
| 31 May 2020 | £3.9M | £494K | £2M | 2 | |
| 31 May 2019 | £3.8M | £670K | £2.2M | ||
| 31 May 2018 | £3.5M | £448K | £2.3M | ||
| 31 May 2017 | £3.3M | £251K | £2.3M | ||
| 31 May 2016 | £3.1M | £224K | £224K | £2.5M |
Where Serian Properties Limited is registered
The registered office is in London (SE21), in the Southwark local authority area, London. Show SE21 8AD on a map.
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What happens if Serian Properties 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 04778639
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 2003 (23 years ago)
- Registered office
- 39 Alleyn Road, Dulwich, London, Greater London, SE21 8AD
- Nature of business
- Development of building projects (SIC 41100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 28 May 2026
- Charges (mortgages)
- 8 outstanding of 9 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.
- Serious Construction Limited2018
- Sescenti Ltd2026
- Setbray Properties Limited1980
- Sev81 Ltd.2019
- Seven Capital (Basingstoke) Ltd2016
- Seven Capital (GC) Limited2015
- Seven Capital (NBP) Ltd2016
- Seven Capital (ST. Martins) Ltd2018
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Serian Properties Limited's accounts due?
Serian Properties Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Serian Properties Limited's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Serian Properties Limited still trading?
Serian Properties 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 Serian Properties Limited do?
Serian Properties Limited is registered under Development of building projects (SIC 41100); Other letting and operating of own or leased real estate (SIC 68209).
How old is Serian Properties Limited?
Serian Properties Limited was incorporated on 28 May 2003, 23 years ago.
What is the penalty if Serian Properties 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 Serian Properties 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.