- Companies
- Civil engineering
- Rochester
- The Portland Whitehouse Group Limited
The Portland Whitehouse Group Limited
- Company number
- 16832002
- Incorporated
- 4 Nov 2025
- Registered office
- 4 Chalklens Cottages Portland Road, Wouldham, Rochester, ME1 3UZ
- Nature of business
- Construction of railways and underground railways
The Portland Whitehouse Group Limited is a newly incorporated private limited company registered in Rochester, company number 16832002, one of 72 civil engineering contractors in Rochester. Its next accounts are due at Companies House on 4 August 2027, and its first CT600 is due at HMRC on 3 November 2027.
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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Where The Portland Whitehouse Group Limited is registered
The registered office is in Rochester (ME1), in the Tonbridge and Malling local authority area, South East. Show ME1 3UZ on a map.
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What happens if The Portland Whitehouse Group 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 4 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 5 Aug 2027 to 4 Sep 2027 | £150 |
| 1 to 3 months late | 5 Sep 2027 to 4 Nov 2027 | £375 |
| 3 to 6 months late | 5 Nov 2027 to 4 Feb 2028 | £750 |
| More than 6 months late | From 5 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 16832002
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 November 2025
- Registered office
- 4 Chalklens Cottages Portland Road, Wouldham, Rochester, ME1 3UZ
- Nature of business
- Construction of railways and underground railways (SIC 42120)
- Year end
- 30 November (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 Rochester
Other active civil engineering contractors registered in Rochester.
- TM Tan Ltd2022
- Trakforce Ltd2017
- Trinity Highways Limited2021
- Triple J Consultants Limited2026
- Usr Ltd2009
- Usr Plant Ltd2014
- Vindol Limited2015
- 1ST About Plumbing & Carpentry Ltd.1990
All civil engineering contractors in Rochester · All trades in Rochester · Civil engineering across the UK
Frequently asked questions
When are The Portland Whitehouse Group Limited's accounts due?
The Portland Whitehouse Group Limited's next accounts are due at Companies House by 4 August 2027 (in 295 days), covering the period to 30 November 2026.
When is The Portland Whitehouse Group 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 3 November 2026, due by 3 November 2027, and one for the period to 30 November 2026, due by 30 November 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is The Portland Whitehouse Group Limited still trading?
The Portland Whitehouse Group 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 The Portland Whitehouse Group Limited do?
The Portland Whitehouse Group Limited is registered under Construction of railways and underground railways (SIC 42120).
How old is The Portland Whitehouse Group Limited?
The Portland Whitehouse Group Limited was incorporated on 4 November 2025, less than a year ago.
What is the penalty if The Portland Whitehouse Group 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 The Portland Whitehouse Group 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.