- Companies
- Property developers
- Alton
- Sustainable Technology Ltd
Sustainable Technology Ltd
- Company number
- 05068759
- Incorporated
- 10 Mar 200422 years trading
- Registered office
- 41 Butts Road, Alton, GU34 1LL
- Nature of business
- Development of building projects; Plumbing, heat and air-conditioning installation
Sustainable Technology Ltd is a 22-year-old private limited company registered in Alton, company number 05068759, one of 42 property development companies in Alton. 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 down £7,261 on the year before, to -£7,746.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £65K against £73K owed within a year: 0.9 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 | -£7,746 | £65K | £73K | 0 | |
| 31 Mar 2024 | -£485 | £485 | 0 | ||
| 31 Mar 2023 | -£362 | £362 | 0 | ||
| 31 Mar 2022 | -£217 | £97 | £97 | £314 | 0 |
| 31 Mar 2021 | -£1,489 | £521 | £5,657 | £7,146 | 1 |
| 31 Mar 2020 | -£15K | £1,098 | £4,200 | £19K | 1 |
| 31 Mar 2019 | -£31K | £224 | £413 | £31K | |
| 31 Mar 2018 | -£38K | £193 | £193 | £38K | |
| 31 Mar 2017 | -£33K | £444 | £444 | £38K | |
| 31 Mar 2016 | -£25K | £1,879 | £1,879 | £27K |
Who runs and owns Sustainable Technology Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** P*** | Director | Apr 2004 |
4 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| A*** P*** | Secretary | Apr 2004 | Mar 2013 |
| I*** P*** | Secretary | Mar 2013 | Jan 2014 |
| Brighton Secretary Ltd | Corporate Nominee Secretary | Mar 2004 | Mar 2004 |
| Brighton Director Ltd | Nominee director (company) | Mar 2004 | Mar 2004 |
Person with significant control
Where Sustainable Technology Ltd is registered
The registered office is in Alton (GU34), in the East Hampshire local authority area, South East. Show GU34 1LL on a map.
Other trade companies in GU34
- Selborne Oak LtdBuilders
- Road & Acre LtdMotor traders
- S Charlton & Sons LimitedFinishing trades
- Buoyansea LtdMachinery repair and installation
- Ajs Design & Build LimitedJoiners and carpenters
- Inca Road Sales LimitedMechanics and garages
- Alton Valeting LtdCleaning companies
- Ab Maintain LimitedMachinery repair and installation
What happens if Sustainable Technology 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 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
- 05068759
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 March 2004 (22 years ago)
- Registered office
- 41 Butts Road, Alton, GU34 1LL
- Nature of business
- Development of building projects (SIC 41100)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 March 2026
- Previous names
- Earthwise Ltd (until 12 Feb 2013)
Sustainable Technology Limited (until 17 Jan 2011)
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 Alton
Other active property development companies registered in Alton.
- Tarumi Developments Limited2018
- The Building and Management Consultancy Ltd2016
- Urbangreen Adm Limited2015
- William Martin Developments Ltd2004
- Yendell Developments Limited2017
- Ab1 Developments Limited2004
- Aroc Beenham Limited2017
- Artland Limited2004
All property development companies in Alton · All trades in Alton · Property developers across the UK
Frequently asked questions
When are Sustainable Technology Ltd's accounts due?
Sustainable Technology Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Sustainable Technology Ltd'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 Sustainable Technology Ltd still trading?
Sustainable Technology 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 Sustainable Technology Ltd do?
Sustainable Technology Ltd is registered under Development of building projects (SIC 41100); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Sustainable Technology Ltd?
Sustainable Technology Ltd was incorporated on 10 March 2004, 22 years ago.
Who runs Sustainable Technology Ltd?
Sustainable Technology Ltd has 1 active director, the longest-serving appointed in Apr 2004. Their names and service addresses are on the Companies House register.
Who owns Sustainable Technology Ltd?
One person or company has significant control of Sustainable Technology Ltd: an individual (owns 75% or more of the shares).
What is the penalty if Sustainable Technology 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 Sustainable Technology 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.