- Companies
- Property developers
- Southampton
- Integral Building Solutions South Ltd
Integral Building Solutions South Ltd
- Company number
- 15898919
- Incorporated
- 15 Aug 20242 years trading
- Registered office
- Director Generals House, 15 Rockstone Place, Southampton, SO15 2EP
- Nature of business
- Development of building projects
Integral Building Solutions South Ltd is a 2-year-old private limited company registered in Southampton, company number 15898919, one of 399 property development companies in Southampton. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Integral Building Solutions South Ltd is registered
The registered office is in Southampton (SO15), in the Southampton local authority area, South East. Show SO15 2EP on a map.
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Also registered at this address
21 other companies use the same registered office as Integral Building Solutions South Ltd.
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What happens if Integral Building Solutions South 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15898919
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 August 2024 (2 years ago)
- Registered office
- Director Generals House, 15 Rockstone Place, Southampton, SO15 2EP
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 14 August 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 Southampton
Other active property development companies registered in Southampton.
- Irina Fruit Ltd2025
- Irongate Developments Ltd1998
- J&K Companies Limited2023
- JH Estate Developments Ltd2025
- JMD Brickwork Limited2016
- JPS Builders Southern Limited2017
- JSG Developments (SW) Limited2025
- JSV Services (South) Limited2023
All property development companies in Southampton · All trades in Southampton · Property developers across the UK
Frequently asked questions
When are Integral Building Solutions South Ltd's accounts due?
Integral Building Solutions South Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is Integral Building Solutions South Ltd's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Integral Building Solutions South Ltd still trading?
Integral Building Solutions South 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 Integral Building Solutions South Ltd do?
Integral Building Solutions South Ltd is registered under Development of building projects (SIC 41100).
How old is Integral Building Solutions South Ltd?
Integral Building Solutions South Ltd was incorporated on 15 August 2024, 2 years ago.
What is the penalty if Integral Building Solutions South 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 Integral Building Solutions South 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.