- Companies
- Property developers
- Birkenhead
- Phthalo Building Services Limited
Phthalo Building Services Limited
- Company number
- 15990988
- Incorporated
- 1 Oct 20242 years trading
- Registered office
- 36 Cotswold Road, Birkenhead, CH42 8NY
- Nature of business
- Development of building projects; Electrical installation; Other construction installation; Buying and selling of own real estate
Phthalo Building Services Limited is a 2-year-old private limited company registered in Birkenhead, company number 15990988, one of 53 property development companies in Birkenhead. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 October 2025, as filed at Companies House.
Where Phthalo Building Services Limited is registered
The registered office is in Birkenhead (CH42), in the Wirral local authority area, North West. Show CH42 8NY on a map.
Other trade companies in CH42
- Hawthorn and Stone LtdLandscapers and gardeners
- Dial Motor Services LtdMotor traders
- Kyan Property Development and Landscaping LtdBuilders
- Zadysse LimitedCivil engineering
- Sparq Energy & Engineering LtdElectricians
- Wynberg LimitedBuilders
- Current Care Electrical Services LimitedElectricians
- KRD Access LtdMachinery repair and installation
Also registered at this address
1 other company uses the same registered office as Phthalo Building Services Limited.
- Storeton Electrical LtdElectricians
What happens if Phthalo Building Services 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 15990988
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 October 2024 (2 years ago)
- Registered office
- 36 Cotswold Road, Birkenhead, CH42 8NY
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Other construction installation (SIC 43290)
Buying and selling of own real estate (SIC 68100) - Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 31 December 2025
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 Birkenhead
Other active property development companies registered in Birkenhead.
- Pog Building Contractors Limited2018
- Prenton Roofing Company Ltd2020
- Prestige Developments North West Ltd2016
- Rainshield Roofing & Building Ltd2025
- Rullerton Construction Company Limited2017
- Sample & Patton Limited1997
- Starship Build Limited2020
- Swithenbank Property Consultants (SPC) Ltd2008
All property development companies in Birkenhead · All trades in Birkenhead · Property developers across the UK
Frequently asked questions
When are Phthalo Building Services Limited's accounts due?
Phthalo Building Services Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Phthalo Building Services Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Phthalo Building Services Limited still trading?
Phthalo Building Services 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 Phthalo Building Services Limited do?
Phthalo Building Services Limited is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Other construction installation (SIC 43290); Buying and selling of own real estate (SIC 68100).
How old is Phthalo Building Services Limited?
Phthalo Building Services Limited was incorporated on 1 October 2024, 2 years ago.
What is the penalty if Phthalo Building Services 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 Phthalo Building Services 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.