- Company number
- 09830945
- Incorporated
- 19 Oct 201510 years trading
- Registered office
- 31 Durban Road, Patchway, Bristol, BS34 5HG
- Nature of business
- Construction of domestic buildings
Eco Source Building Limited is a 10-year-old private limited company registered in Bristol, company number 09830945, one of 809 building contractors in Bristol. 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 up £2,576 on the year before, to £2,793.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £4,782 against £12K owed within a year: 0.4 times cover.
- 1 employee on average, up from 0 the year before.
- 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 Oct 2025 | £2,793 | £4,782 | £12K | 1 | |
| 31 Oct 2024 | £217 | £4,746 | £628 | 0 | |
| 31 Oct 2023 | £623 | £22K | £16K | 0 | |
| 31 Oct 2022 | £3,916 | £20K | £11K | 0 | |
| 31 Oct 2021 | £3,144 | £22K | £1,818 | 0 | |
| 31 Oct 2020 | £4,398 | £4,010 | £3,612 | 0 | |
| 31 Oct 2019 | £15K | £5,000 | 1 | ||
| 31 Oct 2018 | £799 | £0 | £1 | ||
| 31 Oct 2017 | £13K | £0 | £0 | ||
| 31 Oct 2016 | £0 | £0 | £0 |
Where Eco Source Building Limited is registered
The registered office is in Bristol (BS34), in the South Gloucestershire local authority area, South West. Show BS34 5HG on a map.
Other trade companies in BS34
- Caxton Collins LtdBuilders
- Sterling Elite Cleaning LtdCleaning companies
- RVM Group LtdBuilders
- Novo Support LtdPainters and decorators
- RH Gale Utilities LimitedCivil engineering
- Tapestry National Floors LimitedFloor and wall tilers
- Greenoak Trees & Landscapes LtdLandscapers and gardeners
- Buck Cleaning LtdCleaning companies
Also registered at this address
1 other company uses the same registered office as Eco Source Building Limited.
- RC Home Hub LtdSpecialist contractors
What happens if Eco Source Building 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 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
- 09830945
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 October 2015 (10 years ago)
- Registered office
- 31 Durban Road, Patchway, Bristol, BS34 5HG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 18 October 2025
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 Bristol
Other active building contractors registered in Bristol.
- Eddie Builders Ltd2026
- Edm Decorating Ltd2024
- Elite (Projects) Limited2015
- Elite Construction Bristol Ltd2023
- Elite Environmental (Civils) Ltd2009
- Elite Fit Windows, Doors & Conservatories Ltd2025
- Ellick Design & Building Ltd2006
- Emb Interiors & Building Solutions Ltd2026
All building contractors in Bristol · All trades in Bristol · Builders across the UK
Frequently asked questions
When are Eco Source Building Limited's accounts due?
Eco Source Building Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Eco Source Building Limited'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 Eco Source Building Limited still trading?
Eco Source Building 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 Eco Source Building Limited do?
Eco Source Building Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Eco Source Building Limited?
Eco Source Building Limited was incorporated on 19 October 2015, 10 years ago.
What is the penalty if Eco Source Building 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 Eco Source Building 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.