- Companies
- Specialist contractors
- Brentwood
- Avalon Sustainable Energy Solutions Ltd
Avalon Sustainable Energy Solutions Ltd
- Company number
- 07144139
- Incorporated
- 2 Feb 201016 years trading
- Registered office
- Avalon House 45 Tallon Road, Hutton, Brentwood, Essex, CM13 1TG
- Nature of business
- Other specialised construction activities n.e.c.
Avalon Sustainable Energy Solutions Ltd is a 16-year-old private limited company registered in Brentwood, company number 07144139, one of 114 specialist construction companies in Brentwood. 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 £20K (+108.1%) on the year before, to £1,486.
- Net assets rose in 2 of 9 year-on-year comparisons on record.
- Current assets of £7,500 against £6,014 owed within a year: 1.2 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 Oct 2025 | £1,486 | £0 | £7,500 | £6,014 | 0 |
| 31 Oct 2024 | -£18K | £110 | £12K | £30K | 1 |
| 31 Oct 2023 | -£12K | £2,037 | £10K | £23K | 1 |
| 31 Oct 2022 | £6,454 | £3,838 | £12K | £8,270 | 1 |
| 31 Oct 2021 | £42K | £5,435 | £43K | £4,008 | 1 |
| 31 Oct 2020 | £65K | £4,972 | £79K | £18K | 1 |
| 31 Oct 2019 | £78K | £6,462 | £97K | £20K | 1 |
| 31 Oct 2018 | £144K | £8,227 | £168K | £24K | |
| 31 Oct 2017 | £131K | £5,789 | £84K | £168K | |
| 31 Oct 2016 | £185K | £5,971 | £193K | £230K |
Where Avalon Sustainable Energy Solutions Ltd is registered
The registered office is in Brentwood (CM13), in the Brentwood local authority area, East of England. Show CM13 1TG on a map.
Other trade companies in CM13
- Van & Car Self Drive LtdMotor traders
- Marsh Harrier Developments LtdProperty developers
- Motor Dealer Sales LtdMotor traders
- Electrical PN LtdElectricians
- Torrtec LtdPlumbers and heating engineers
- Flushed Through Drainage Services LtdPlumbers and heating engineers
- RJFD Electrical LtdCivil engineering
- Welsted LtdJoiners and carpenters
Also registered at this address
4 other companies use the same registered office as Avalon Sustainable Energy Solutions Ltd.
- Avalon Abseiling LimitedSpecialist contractors
- Avalon Access LimitedScaffolders
- Avalonpro Group LimitedSpecialist contractors
- Taurus Construction (UK) LimitedFinishing trades
What happens if Avalon Sustainable Energy Solutions 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 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
- 07144139
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 February 2010 (16 years ago)
- Registered office
- Avalon House 45 Tallon Road, Hutton, Brentwood, Essex, CM13 1TG
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 2 February 2026
- Charges (mortgages)
- 3 outstanding of 5 registered
- Previous names
- Avalon Abseiling Insulation Limited (until 1 Jun 2011)
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Brentwood
Other active specialist construction companies registered in Brentwood.
- Avalonpro Group Limited2009
- B Watts Maintenance Ltd2025
- BJFC Building Services Ltd2014
- Brentwood Fencing Supplies Limited2013
- Bse Building Sevices Ltd2026
- Builders Convert Ltd2019
- CDB Construction Property Services Ltd2025
- Chabear Investments Ltd2021
All specialist construction companies in Brentwood · All trades in Brentwood · Specialist contractors across the UK
Frequently asked questions
When are Avalon Sustainable Energy Solutions Ltd's accounts due?
Avalon Sustainable Energy Solutions Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Avalon Sustainable Energy Solutions Ltd'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 Avalon Sustainable Energy Solutions Ltd still trading?
Avalon Sustainable Energy Solutions 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 Avalon Sustainable Energy Solutions Ltd do?
Avalon Sustainable Energy Solutions Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Avalon Sustainable Energy Solutions Ltd?
Avalon Sustainable Energy Solutions Ltd was incorporated on 2 February 2010, 16 years ago.
What is the penalty if Avalon Sustainable Energy Solutions 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 Avalon Sustainable Energy Solutions 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.