- Companies
- Property developers
- Chelmsford
- Aon Prop Ltd
Aon Prop Ltd
- Company number
- 12021645
- Incorporated
- 29 May 20197 years trading
- Registered office
- Halford House, 2 Coval Lane, Chelmsford, CM1 1TD
- Nature of business
- Development of building projects
Aon Prop Ltd is a 7-year-old private limited company registered in Chelmsford, company number 12021645, one of 279 property development companies in Chelmsford. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 £83K (+867.3%) on the year before, to £93K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £392K against £300K owed within a year: 1.3 times cover.
- 2 employees on average during the year.
- 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 |
|---|---|---|---|---|---|
| 31 Dec 2025 | £93K | £392K | £300K | 2 | |
| 31 Dec 2024 | £9,596 | £327K | £318K | 2 | |
| 31 Dec 2023 | £8,370 | £255K | £247K | 2 | |
| 31 Dec 2022 | £13K | £217K | £204K | 2 | |
| 31 Dec 2021 | -£22K | £7,184 | £30K | 3 | |
| 31 Dec 2020 | £11K | £35K | £25K | 3 | |
| 31 Dec 2019 | £9 | £9 |
Where Aon Prop Ltd is registered
The registered office is in Chelmsford (CM1), in the Chelmsford local authority area, East of England. Show CM1 1TD on a map.
Other trade companies in CM1
- Restovex LimitedCleaning companies
- Unseen Connection Services LimitedElectricians
- Ardenrich Engineering LimitedCivil engineering
- Old Guy Handyman LtdFinishing trades
- Marlow Properties & Maintenance LimitedFinishing trades
- Castle Ground Care LimitedLandscapers and gardeners
- Jcgenix Sol LtdFinishing trades
- Pure Landscapes LimitedLandscapers and gardeners
Also registered at this address
1 other company uses the same registered office as Aon Prop Ltd.
- Aquavita Pools LtdInstallers
What happens if Aon Prop 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12021645
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 29 May 2019 (7 years ago)
- Registered office
- Halford House, 2 Coval Lane, Chelmsford, CM1 1TD
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 26 May 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 Chelmsford
Other active property development companies registered in Chelmsford.
- Arkstone Developments Limited2026
- Art Carpentry & Building Limited2023
- Artbuild Development Ltd2022
- Arthur Joyce Contracts Limited2024
- Ashdown Property Projects Limited2015
- Atelier Charnaux Ltd2018
- Azuril Logistics Ltd2021
- Barker Nelsam Limited2018
All property development companies in Chelmsford · All trades in Chelmsford · Property developers across the UK
Frequently asked questions
When are Aon Prop Ltd's accounts due?
Aon Prop Ltd's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Aon Prop Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Aon Prop Ltd still trading?
Aon Prop 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 Aon Prop Ltd do?
Aon Prop Ltd is registered under Development of building projects (SIC 41100).
How old is Aon Prop Ltd?
Aon Prop Ltd was incorporated on 29 May 2019, 7 years ago.
What is the penalty if Aon Prop 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 Aon Prop 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.