- Companies
- Property developers
- Royston
- Sergbuild Ltd
Sergbuild Ltd
- Company number
- 16605192
- Incorporated
- 24 Jul 20251 year trading
- Registered office
- 41 High Street, Royston, Herts, SG8 9AW
- Nature of business
- Development of building projects
Sergbuild Ltd is a 1-year-old private limited company registered in Royston, company number 16605192, one of 78 property development companies in Royston. Its next accounts are due at Companies House on 24 April 2027, and its first CT600 is due at HMRC on 23 July 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 Sergbuild Ltd is registered
The registered office is in Royston (SG8), in the North Hertfordshire local authority area, East of England. Show SG8 9AW on a map.
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Shared registered office
28 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 Sergbuild 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 24 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Apr 2027 to 24 May 2027 | £150 |
| 1 to 3 months late | 25 May 2027 to 24 Jul 2027 | £375 |
| 3 to 6 months late | 25 Jul 2027 to 24 Oct 2027 | £750 |
| More than 6 months late | From 25 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 16605192
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2025 (1 year ago)
- Registered office
- 41 High Street, Royston, Herts, SG8 9AW
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 July (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 23 July 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 Royston
Other active property development companies registered in Royston.
- Sesko Ltd2014
- Shared Axis Ltd2026
- Silverley Group Limited2016
- Silverley Properties Limited2021
- SKD Real Estate Investment Limited2015
- Steve Barrett Maintenance Ltd2010
- T B Property Services Ltd2019
- Tall & Small Construction Limited2012
All property development companies in Royston · All trades in Royston · Property developers across the UK
Frequently asked questions
When are Sergbuild Ltd's accounts due?
Sergbuild Ltd's next accounts are due at Companies House by 24 April 2027 (in 194 days), covering the period to 31 July 2026.
When is Sergbuild 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 23 July 2026, due by 23 July 2027, and one for the period to 31 July 2026, due by 31 July 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sergbuild Ltd still trading?
Sergbuild 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 Sergbuild Ltd do?
Sergbuild Ltd is registered under Development of building projects (SIC 41100).
How old is Sergbuild Ltd?
Sergbuild Ltd was incorporated on 24 July 2025, 1 year ago.
What is the penalty if Sergbuild 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 Sergbuild 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.