- Company number
- 11431677
- Incorporated
- 25 Jun 20188 years trading
- Registered office
- Unit 17 Alliance Court, Alliance Road, Acton, London, W3 0RB
- Nature of business
- Construction of commercial buildings
London Sustainability Projects Ltd is a 8-year-old private limited company registered in Acton, company number 11431677, one of 18 building contractors in Acton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 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 up £29K (+735.8%) on the year before, to £25K.
- Net assets rose in 2 of 6 year-on-year comparisons on record.
- Current assets of -£4,723 against £30K owed within a year: -0.2 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £25K | -£4,723 | £30K | 1 | |
| 30 Jun 2024 | -£4,006 | £498 | £4,504 | 2 | |
| 30 Jun 2023 | -£8,684 | -£7,244 | £5,408 | 2 | |
| 30 Jun 2022 | £9,329 | £12K | £2,342 | 2 | |
| 30 Jun 2021 | £16K | £21K | £4,429 | 2 | |
| 30 Jun 2020 | £48K | £48K | £0 | 2 | |
| 30 Jun 2019 | £119K | £139K | £43K | 4 |
Who runs and owns London Sustainability Projects Ltd
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| T*** L*** | Director | Jun 2018 |
Person with significant control
Where London Sustainability Projects Ltd is registered
The registered office is in Acton (W3), in the Ealing local authority area, London. Show W3 0RB on a map.
Other trade companies in W3
- London Developments and Construction LtdBuilders
- RNH Ventures LimitedMotor traders
- Delort Deco LtdBuilders
- Amannconstructions LtdBuilders
- Urbanhomeimprovments LtdRoofers
- MB Specialist West London LtdMotor traders
- Maison Aire Libre LtdBuilders
- Fofo Metro LtdMotor traders
Also registered at this address
2 other companies use the same registered office as London Sustainability Projects Ltd.
- B&X Construction LtdBuilders
- B&X Developments LtdBuilders
What happens if London Sustainability Projects 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11431677
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2018 (8 years ago)
- Registered office
- Unit 17 Alliance Court, Alliance Road, Acton, London, W3 0RB
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 24 June 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Acton
Other active building contractors registered in Acton.
- NRC One Ltd2026
- Porchfern Limited1984
- Rimar Plastering Limited2015
- SDK Building Solutions Ltd2026
- Terra Firma Enterprises Ltd2023
- TM UK Property Services Limited2025
- B&X Construction Ltd2015
- B&X Developments Ltd2022
All building contractors in Acton · All trades in Acton · Builders across the UK
Frequently asked questions
When are London Sustainability Projects Ltd's accounts due?
London Sustainability Projects Ltd's next accounts are due at Companies House by 31 March 2027 (in 168 days), covering the period to 30 June 2026.
When is London Sustainability Projects Ltd's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is London Sustainability Projects Ltd still trading?
London Sustainability Projects 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 London Sustainability Projects Ltd do?
London Sustainability Projects Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is London Sustainability Projects Ltd?
London Sustainability Projects Ltd was incorporated on 25 June 2018, 8 years ago.
Who runs London Sustainability Projects Ltd?
London Sustainability Projects Ltd has 1 active director, the longest-serving appointed in Jun 2018. Their names and service addresses are on the Companies House register.
Who owns London Sustainability Projects Ltd?
One person or company has significant control of London Sustainability Projects Ltd: an individual (owns 75% or more of the shares).
What is the penalty if London Sustainability Projects 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 London Sustainability Projects 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.