- Companies
- Property developers
- Portsmouth
- Wilderslowe House Limited
Wilderslowe House Limited
- Company number
- 12026113
- Incorporated
- 31 May 20197 years trading
- Registered office
- Unit 6 ST Georges Business Centre, ST Georges Business Square, Portsmouth, PO1 3EY
- Nature of business
- Development of building projects; Buying and selling of own real estate; Other letting and operating of own or leased real estate; Management of real estate on a fee or contract basis
Wilderslowe House Limited is a 7-year-old private limited company registered in Portsmouth, company number 12026113, one of 219 property development companies in Portsmouth. Companies House shows its accounts as overdue: they were due on 30 June 2025.
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 £12K (-20.6%) on the year before, to -£71K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 4 years, 2020 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2023 | -£71K | £36K | £200K | 2 | |
| 31 May 2022 | -£58K | £88 | £88 | £22K | 2 |
| 31 May 2021 | -£42K | £2,959 | £4,959 | £355 | 0 |
| 31 May 2020 | -£16K | £1,066 | 0 |
Who runs and owns Wilderslowe House Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| A*** A*** | Director | May 2019 |
2 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** M*** | Director | May 2019 | May 2025 |
| S*** M*** | Director | May 2019 | May 2025 |
Person with significant control
Charges (secured borrowing)
2 of 6 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Belvedere Security Limited (As Security Trustee For The Secured Parties) | Outstanding | May 2025 |
| Belvedere Security Limited (As Security Trustee For The Secured Parties) | Outstanding | May 2025 |
| United Trust Bank Limited | Satisfied Jun 2025 | Sep 2022 |
| United Trust Bank | Satisfied Jun 2025 | Sep 2022 |
| United Trust Bank Limited | Satisfied Jun 2025 | Sep 2022 |
| Sunn.E Solutions Limited | Satisfied Jun 2024 | Jul 2019 |
Where Wilderslowe House Limited is registered
The registered office is in Portsmouth (PO1), in the Portsmouth local authority area, South East. Show PO1 3EY on a map.
Other trade companies in PO1
- Design 1805 Southern LtdJoiners and carpenters
- Portsmouth Roofing LtdRoofers
- Peterborough Mews (London) LimitedProperty developers
- Doxa Facility Group LtdCleaning companies
- Crestpoint Cleaning & Facilities LtdCleaning companies
- Dark Rose Cleaning Co LtdCleaning companies
- PDS Garage Services LtdMechanics and garages
- HDF Roofing LtdRoofers
Shared registered office
42 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 Wilderslowe House Limited files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2025 to 31 Jul 2025 | £150 |
| 1 to 3 months late | 1 Aug 2025 to 30 Sep 2025 | £375 |
| 3 to 6 months late | 1 Oct 2025 to 31 Dec 2025 | £750 |
| More than 6 months late | From 1 Jan 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2025 | £200 |
| 3 months late | 30 Dec 2025 | another £200 |
| 6 months late | 30 Mar 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2026 | 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
- 12026113
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 May 2019 (7 years ago)
- Registered office
- Unit 6 ST Georges Business Centre, ST Georges Business Square, Portsmouth, PO1 3EY
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2023
- Last confirmation statement
- 9 September 2026
- Charges (mortgages)
- 2 outstanding of 6 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 Portsmouth
Other active property development companies registered in Portsmouth.
- Williams Contracts Limited2020
- Wilson Designer Homes Limited2002
- Xyz Developments Ltd2026
- 32 Cherry Tree Lane Ltd2025
- 3Muskatiers Ltd2022
- A Interior Systems Ltd2016
- Aalia Capitals and Investment Limited2025
- Abacus Building Services (Hants) Ltd2011
All property development companies in Portsmouth · All trades in Portsmouth · Property developers across the UK
Frequently asked questions
When are Wilderslowe House Limited's accounts due?
Wilderslowe House Limited's accounts were due at Companies House on 30 June 2025 and the register shows them as overdue.
When is Wilderslowe House Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 May 2024, due by 31 May 2025, and one for the period to 30 September 2024, due by 30 September 2025. Corporation tax is payable 9 months and 1 day after the end of each.
Is Wilderslowe House Limited still trading?
Wilderslowe House Limited is listed as active on the Companies House register (checked 13 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 Wilderslowe House Limited do?
Wilderslowe House Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209); Management of real estate on a fee or contract basis (SIC 68320).
How old is Wilderslowe House Limited?
Wilderslowe House Limited was incorporated on 31 May 2019, 7 years ago.
Who runs Wilderslowe House Limited?
Wilderslowe House Limited has 1 active director, the longest-serving appointed in May 2019. Their names and service addresses are on the Companies House register.
Who owns Wilderslowe House Limited?
One person or company has significant control of Wilderslowe House Limited: an individual (owns 75% or more of the shares).
What is the penalty if Wilderslowe House 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 Wilderslowe House Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.