- Companies
- Civil engineering
- Southampton
- Sonridge Building Group Ltd
Sonridge Building Group Ltd
- Company number
- 17401989
- Incorporated
- 14 Aug 2026
- Registered office
- 15 Rockstone Place, Southampton, SO15 2EP
- Nature of business
- Construction of other civil engineering projects n.e.c.; Other specialised construction activities n.e.c.
Sonridge Building Group Ltd is a newly incorporated private limited company registered in Southampton, company number 17401989, one of 114 civil engineering contractors in Southampton. Its next accounts are due at Companies House on 14 May 2028, and its first CT600 is due at HMRC on 13 August 2028.
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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Who runs and owns Sonridge Building Group Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** C*** | Director | Aug 2026 |
Person with significant control
Where Sonridge Building Group Ltd is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 2EP on a map.
Other trade companies in SO15
- Enginetek Marine LimitedMachinery repair and installation
- The DPF Guy LtdMechanics and garages
- Redbridge Accident Repair LtdMechanics and garages
- Mahakali Engineer Services LtdMachinery repair and installation
- Genuinecarpartsuk LtdMotor traders
- MK Cars & Parts LtdMotor traders
- SMS Building LimitedFinishing trades
- Hedge End Development Group LtdProperty developers
Also registered at this address
3 other companies use the same registered office as Sonridge Building Group Ltd.
- John Hubbard LimitedElectricians
- Platinum Roofs & Building LimitedRoofers
- Quick Quote Roofing LtdRoofers
What happens if Sonridge Building Group 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 14 May 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 15 May 2028 to 14 Jun 2028 | £150 |
| 1 to 3 months late | 15 Jun 2028 to 14 Aug 2028 | £375 |
| 3 to 6 months late | 15 Aug 2028 to 14 Nov 2028 | £750 |
| More than 6 months late | From 15 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2028 | £200 |
| 3 months late | 30 Nov 2028 | another £200 |
| 6 months late | 28 Feb 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 2029 | 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
- 17401989
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 August 2026
- Registered office
- 15 Rockstone Place, Southampton, SO15 2EP
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Southampton
Other active civil engineering contractors registered in Southampton.
- Southampton Pier Limited2011
- Strandhill Property Development Limited2006
- Strandhill, Civil Engineering Limited1994
- Temporary Solutions Traffic Management Ltd2021
- Test Valley Driveways Limited2022
- Test Valley Environmental Limited2003
- WB Civil & Mechanical Limited2014
- Wha Shopfitting Limited1990
All civil engineering contractors in Southampton · All trades in Southampton · Civil engineering across the UK
Frequently asked questions
When are Sonridge Building Group Ltd's accounts due?
Sonridge Building Group Ltd's next accounts are due at Companies House by 14 May 2028 (in 579 days), covering the period to 31 August 2027.
When is Sonridge Building Group 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 13 August 2027, due by 13 August 2028, and one for the period to 31 August 2027, due by 31 August 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Sonridge Building Group Ltd still trading?
Sonridge Building Group 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 Sonridge Building Group Ltd do?
Sonridge Building Group Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990); Other specialised construction activities n.e.c. (SIC 43999).
How old is Sonridge Building Group Ltd?
Sonridge Building Group Ltd was incorporated on 14 August 2026, less than a year ago.
Who runs Sonridge Building Group Ltd?
Sonridge Building Group Ltd has 1 active director, the longest-serving appointed in Aug 2026. Their names and service addresses are on the Companies House register.
Who owns Sonridge Building Group Ltd?
One person or company has significant control of Sonridge Building Group Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Sonridge Building Group 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 Sonridge Building Group 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.