- Companies
- Property developers
- Portsmouth
- MB Developments (Southern) Limited
MB Developments (Southern) Limited
- Company number
- 12628503
- Incorporated
- 28 May 20206 years trading
- Registered office
- Office 83 Regus Building 1000 Lakeside, Western Road, Portsmouth, PO6 3EZ
- Nature of business
- Development of building projects
MB Developments (Southern) Limited is a 6-year-old private limited company registered in Portsmouth, company number 12628503, one of 219 property development companies in Portsmouth. 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 down £21K (-41.1%) on the year before, to £30K.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £24K against £34K owed within a year: 0.7 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2021 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £30K | £22K | £24K | £34K | 1 |
| 31 May 2024 | £52K | £69K | £69K | £40K | 1 |
| 31 May 2023 | £119 | £4,696 | £36K | £16K | 1 |
| 31 May 2022 | -£4,575 | £4,264 | £9,264 | £10K | 1 |
| 31 May 2021 | £19K | £26K | £27K | £10K | 1 |
Who runs and owns MB Developments (Southern) Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** B*** | Director | May 2020 |
Person with significant control
Where MB Developments (Southern) Limited is registered
The registered office is in Portsmouth (PO6), in the Portsmouth local authority area, South East. Show PO6 3EZ on a map.
Other trade companies in PO6
- Bellagio Partners LtdBuilders
- Cpenw LtdMachinery repair and installation
- Marla Brickwork & Construction LtdProperty developers
- Miracles in Metal LtdMechanics and garages
- FH Fire & Electrical LtdElectricians
- Thomcore LimitedSpecialist contractors
- JMS Southern LtdElectricians
- The Motum Group LtdSpecialist contractors
Also registered at this address
5 other companies use the same registered office as MB Developments (Southern) Limited.
- Crest Windows & Conservatories LimitedGlaziers
- Featherstone (UK) LimitedSpecialist contractors
- Pax Motors LtdMotor traders
- Southern Asbestos Solutions LimitedFinishing trades
- Whitestone Property Services (Southern) LtdFinishing trades
What happens if MB Developments (Southern) 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
- 12628503
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 May 2020 (6 years ago)
- Registered office
- Office 83 Regus Building 1000 Lakeside, Western Road, Portsmouth, PO6 3EZ
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 27 May 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 Portsmouth
Other active property development companies registered in Portsmouth.
- McAin Limited2000
- MDM Trading Limited2018
- Meadowland Properties Limited2005
- MNR Plumbing Ltd2026
- Morspace Construction Ltd2015
- MPG Building Services Ltd2007
- Neom Projects Ltd2024
- Nightingale Apartments Limited2022
All property development companies in Portsmouth · All trades in Portsmouth · Property developers across the UK
Frequently asked questions
When are MB Developments (Southern) Limited's accounts due?
MB Developments (Southern) Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is MB Developments (Southern) 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 MB Developments (Southern) Limited still trading?
MB Developments (Southern) 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 MB Developments (Southern) Limited do?
MB Developments (Southern) Limited is registered under Development of building projects (SIC 41100).
How old is MB Developments (Southern) Limited?
MB Developments (Southern) Limited was incorporated on 28 May 2020, 6 years ago.
Who runs MB Developments (Southern) Limited?
MB Developments (Southern) Limited has 1 active director, the longest-serving appointed in May 2020. Their names and service addresses are on the Companies House register.
Who owns MB Developments (Southern) Limited?
One person or company has significant control of MB Developments (Southern) Limited: an individual (owns 75% or more of the shares).
What is the penalty if MB Developments (Southern) 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 MB Developments (Southern) 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.