- Companies
- Specialist contractors
- Brighton
- Proporta Construction Ltd
Proporta Construction Ltd
- Company number
- 15747926
- Incorporated
- 29 May 20242 years trading
- Registered office
- 52 Sandhurst Avenue, Brighton, BN2 6NG
- Nature of business
- Other specialised construction activities n.e.c.; Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them); Non-specialised wholesale trade
Proporta Construction Ltd is a 2-year-old private limited company registered in Brighton, company number 15747926, one of 115 specialist construction companies in Brighton. Its next accounts are due at Companies House on 29 August 2027, and the CT600 for the period to 29 November 2026 is due at HMRC on 29 November 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 30 November 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Where Proporta Construction Ltd is registered
The registered office is in Brighton (BN2), in the Brighton and Hove local authority area, South East. Show BN2 6NG on a map.
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- HG Electrical Contractors BTN LtdElectricians
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- Ab Estimating & Property Services LtdFinishing trades
- Simmos Roofing & Building LtdBuilders
What happens if Proporta Construction 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 29 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Aug 2027 to 29 Sep 2027 | £150 |
| 1 to 3 months late | 30 Sep 2027 to 29 Nov 2027 | £375 |
| 3 to 6 months late | 30 Nov 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Nov 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 29 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 15747926
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2024 (2 years ago)
- Registered office
- 52 Sandhurst Avenue, Brighton, BN2 6NG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them) (SIC 46439)
Non-specialised wholesale trade (SIC 46900) - Year end
- 29 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 28 May 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Brighton
Other active specialist construction companies registered in Brighton.
- R Redman & Son Builders Limited2014
- R. K. Case Contractors Limited2004
- Rafina Ltd2006
- RCL Surfacing Limited2017
- Rooney Bros Limited2021
- Rymer Landscaping Limited2000
- S G Lawford Ltd2026
- S&C Groundworks & Landscaping Sussex Limited2023
All specialist construction companies in Brighton · All trades in Brighton · Specialist contractors across the UK
Frequently asked questions
When are Proporta Construction Ltd's accounts due?
Proporta Construction Ltd's next accounts are due at Companies House by 29 August 2027 (in 321 days), covering the period to 29 November 2026.
When is Proporta Construction Ltd's CT600 due?
The CT600 for the period to 29 November 2026 is due at HMRC by 29 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 30 August 2027.
Is Proporta Construction Ltd still trading?
Proporta Construction 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 Proporta Construction Ltd do?
Proporta Construction Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999); Wholesale of radio, television goods & electrical household appliances (other than records, tapes, CD's & video tapes and the equipment used for playing them) (SIC 46439); Non-specialised wholesale trade (SIC 46900).
How old is Proporta Construction Ltd?
Proporta Construction Ltd was incorporated on 29 May 2024, 2 years ago.
What is the penalty if Proporta Construction 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 Proporta Construction 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.