- Companies
- Property developers
- Amersham
- Alphabase Investments Limited
Alphabase Investments Limited
- Company number
- 01463321
- Incorporated
- 27 Nov 197946 years trading
- Registered office
- 8 Hill Avenue, Amersham, HP6 5BW
- Nature of business
- Development of building projects
Alphabase Investments Limited is a 46-year-old private limited company registered in Amersham, company number 01463321, one of 53 property development companies in Amersham. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 unchanged on the year before, at £166K.
- Net assets rose in 0 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £166K | £166K | 1 | ||
| 31 Mar 2024 | £166K | £166K | 1 | ||
| 31 Mar 2023 | £166K | £166K | 1 | ||
| 31 Mar 2022 | £166K | £166K | 1 | ||
| 31 Mar 2021 | £166K | £166K | 1 | ||
| 31 Mar 2020 | £166K | £166K | 1 | ||
| 31 Mar 2019 | £166K | £166K | £0 | ||
| 31 Mar 2018 | £166K | £1.4M | £1.2M | ||
| 31 Mar 2017 | £166K | £8,095 | £1.4M | £1.2M | |
| 31 Mar 2016 | £166K | £8,095 | £1.4M |
Where Alphabase Investments Limited is registered
The registered office is in Amersham (HP6), in the Buckinghamshire local authority area, South East. Show HP6 5BW on a map.
Other trade companies in HP6
- An Design & Build LtdBuilders
- Coran Air Conditioning Solutions LtdPlumbers and heating engineers
- Coverplan Heating and Plumbing Services LtdPlumbers and heating engineers
- Samagra Developments LtdProperty developers
- Timmax LimitedCleaning companies
- Oliver Charles Garden Design&Build LtdBuilders
- JS Local Plumbing and Heating LtdPlumbers and heating engineers
- JSB & Son LimitedJoiners and carpenters
Also registered at this address
18 other companies use the same registered office as Alphabase Investments Limited.
- Alpha Capital Projects LimitedProperty developers
- Arina Enterprises LtdProperty developers
- Asc Building Contractors LtdProperty developers
- DP Property Services LtdFacilities management
- DVL Enterprises LtdProperty developers
- Edition Crafts LtdProperty developers
- Eos Enterprises LtdProperty developers
- Ethos Construction London LtdProperty developers
- Ethos Construction Solutions LimitedProperty developers
- Geo Construction LimitedProperty developers
- Metric Designs Ltd.Property developers
- Qi Contractors LtdBuilders
- Ranebrook Windows LtdProperty developers
- Ranefield LimitedProperty developers
- Samot Construction Co LtdProperty developers
- Selene Enterprises LimitedProperty developers
- SMD Contract Consulting LimitedSpecialist contractors
- Talos Construction LtdBuilders
What happens if Alphabase Investments 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 01463321
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 November 1979 (46 years ago)
- Registered office
- 8 Hill Avenue, Amersham, HP6 5BW
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 31 December 2025
- Charges (mortgages)
- 1 outstanding of 9 registered
- Previous names
- Lad Construction Limited (until 21 May 2014)
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 Amersham
Other active property development companies registered in Amersham.
- Altonpride Limited1989
- Ared (London) Limited2013
- Arina Enterprises Ltd2018
- Asc Building Contractors Ltd2020
- Asco Residential Limited2001
- Ash Mill Developments Limited1996
- Boom Refurbs & Developments Limited2022
- CMS Developments Limited2003
All property development companies in Amersham · All trades in Amersham · Property developers across the UK
Frequently asked questions
When are Alphabase Investments Limited's accounts due?
Alphabase Investments Limited's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Alphabase Investments Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Alphabase Investments Limited still trading?
Alphabase Investments 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 Alphabase Investments Limited do?
Alphabase Investments Limited is registered under Development of building projects (SIC 41100).
How old is Alphabase Investments Limited?
Alphabase Investments Limited was incorporated on 27 November 1979, 46 years ago.
What is the penalty if Alphabase Investments 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 Alphabase Investments 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.