- Companies
- Property developers
- London
- Promega Design and Construction Ltd
Promega Design and Construction Ltd
- Company number
- 12289090
- Incorporated
- 30 Oct 20196 years trading
- Registered office
- 5TH Floor, 22 Eastcheap, London, EC3M 1EU
- Nature of business
- Development of building projects; Other specialised construction activities n.e.c.; Management consultancy activities other than financial management; Other professional, scientific and technical activities n.e.c.
Promega Design and Construction Ltd is a 6-year-old private limited company registered in London, company number 12289090, one of 14,100 property development companies in London. 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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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 £1,116 (-27.8%) on the year before, to £2,899.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £2,899 | 0 | |||
| 31 Oct 2024 | £4,015 | 0 | |||
| 31 Oct 2023 | £5,603 | £7,205 | £1,602 | 0 | |
| 31 Oct 2022 | £9,696 | £9,346 | £350 | 0 | |
| 31 Oct 2021 | £12K | £20K | £7,591 | 0 | |
| 31 Oct 2020 | £3,868 | £1,254 | £5,122 | 0 |
Where Promega Design and Construction Ltd is registered
The registered office is in London (EC3M), in the City of London local authority area, London. Show EC3M 1EU on a map.
Other trade companies in EC3M
- Citadel Built (South West) LtdInstallers
- Voltaire Coinvest LimitedProperty developers
- Addeo LtdPlumbers and heating engineers
- Favaretti (UK) LtdMachinery repair and installation
- Adaptive MDC LtdBuilders
- DJP Drylining LimitedSpecialist contractors
- Bausager & Bouquet LtdLandscapers and gardeners
- Fore Renovations LtdInstallers
Also registered at this address
2 other companies use the same registered office as Promega Design and Construction Ltd.
- Addeo LtdPlumbers and heating engineers
- Alesi Design LtdFinishing trades
What happens if Promega Design and 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 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
- 12289090
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 30 October 2019 (6 years ago)
- Registered office
- 5TH Floor, 22 Eastcheap, London, EC3M 1EU
- Nature of business
- Development of building projects (SIC 41100)
Other specialised construction activities n.e.c. (SIC 43999)
Management consultancy activities other than financial management (SIC 70229)
Other professional, scientific and technical activities n.e.c. (SIC 74909) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 6 July 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 London
Other active property development companies registered in London.
- Prometheus Developments Ltd2021
- Prominence Property 1 Ltd2018
- Prominence Property 2 Ltd2018
- Prominence Property 3 Ltd2018
- Prominence Property 4 Ltd2018
- Prominence Property 6 Ltd2018
- Promodero Ltd2013
- Promp Limited2024
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Promega Design and Construction Ltd's accounts due?
Promega Design and Construction Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Promega Design and Construction Ltd'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 Promega Design and Construction Ltd still trading?
Promega Design and Construction Ltd 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 Promega Design and Construction Ltd do?
Promega Design and Construction Ltd is registered under Development of building projects (SIC 41100); Other specialised construction activities n.e.c. (SIC 43999); Management consultancy activities other than financial management (SIC 70229); Other professional, scientific and technical activities n.e.c. (SIC 74909).
How old is Promega Design and Construction Ltd?
Promega Design and Construction Ltd was incorporated on 30 October 2019, 6 years ago.
What is the penalty if Promega Design and 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 Promega Design and Construction Ltd 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.