Company profile · Builders
Econaut Developments Limited
Econaut Developments Limited is a 7-year-old private limited company registered in Bath, company number 11875207, one of 100 building contractors in Bath. 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Econaut Developments Limited over the years
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 £35K (-28.1%) on the year before, to -£160K.
- Net assets rose in 0 of 5 year-on-year comparisons on record.
- Current assets of £389K against £548K owed within a year: 0.7 times cover.
- 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 Mar 2025 | -£160K | £0 | £389K | £548K | 0 |
| 31 Mar 2024 | -£125K | £21K | £388K | £512K | 0 |
| 31 Mar 2023 | -£65K | £2,735 | £67K | £131K | 0 |
| 31 Mar 2022 | £1 | £1 | 0 | ||
| 31 Mar 2021 | £1 | £1 | 0 | ||
| 31 Mar 2020 | £1 | £1 |
Where Econaut Developments Limited is registered
The registered office is in Bath (BA1), in the Bath and North East Somerset local authority area, South West. Show BA1 1LB on a map.
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Also registered at this address
10 other companies use the same registered office as Econaut Developments Limited.
- Ba2 Tyres LtdMechanics and garages
- Baxter Noble Associates LimitedInstallers
- Bike Torque Racing Ltd.Motor traders
- Downside Estates LimitedProperty developers
- Linorg LimitedProperty developers
- Magna Manor Developments LimitedProperty developers
- Motojourney LimitedMotor traders
- The Kingsmead Motor Company LimitedMotor traders
- Universal Carpentry LtdBuilders
- Wesco Systems LtdElectricians
What happens if Econaut Developments 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
- 11875207
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 March 2019 (7 years ago)
- Registered office
- Lennox House, 3 Pierrepont Street, Bath, BA1 1LB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 March 2026
- Previous names
- Westsouwest Cornwall Eco-Developments Ltd (until 15 Jan 2021)
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 Bath
Other active building contractors registered in Bath.
- Edifice Building and Roofing Limited2018
- Evolve Bricklaying Ltd2016
- Frayling&Sons Ltd2019
- Gazelle Properties Limited1995
- H Build & Masonry Ltd2025
- Handyman & Van Co Ltd2025
- Haus Design & Construction Ltd2023
- Hawkes Projects (JS) Ltd2020
All building contractors in Bath · All trades in Bath · Builders across the UK
Frequently asked questions
When are Econaut Developments Limited's accounts due?
Econaut Developments Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Econaut Developments 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 Econaut Developments Limited still trading?
Econaut Developments 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 Econaut Developments Limited do?
Econaut Developments Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Econaut Developments Limited?
Econaut Developments Limited was incorporated on 11 March 2019, 7 years ago.
What is the penalty if Econaut Developments 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 Econaut Developments 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.