- Companies
- Civil engineering
- Rochester
- Aaa Building and Civil Engineers Limited
Aaa Building and Civil Engineers Limited
- Company number
- 10129069
- Incorporated
- 18 Apr 201610 years trading
- Registered office
- 1 Ham River Hill, Cliffe Woods, Rochester, Kent, ME3 8EX
- Nature of business
- Construction of roads and motorways
Aaa Building and Civil Engineers Limited is a 10-year-old private limited company registered in Rochester, company number 10129069, one of 72 civil engineering contractors in Rochester. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £36K (+11.8%) on the year before, to £345K.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £1.3M against £1.1M owed within a year: 1.1 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £345K | £1.3M | £1.1M | 0 | |
| 30 Apr 2024 | £309K | £191K | 2 | ||
| 30 Apr 2023 | £300K | £190K | 2 | ||
| 30 Apr 2022 | £273K | £208K | 1 | ||
| 30 Apr 2021 | £631K | £557K | 2 | ||
| 30 Apr 2020 | £369K | £302K | 2 | ||
| 30 Apr 2019 | £77K | £51K | |||
| 30 Apr 2018 | £115K | £148K | £279K | £185K | |
| 30 Apr 2017 | £73K | £142K | £232K | £175K |
Public contracts won
Aaa Building and Civil Engineers Limited has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. For all of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Southern Water Services Limited | Prj_7030 Minor Civils | Ceiling, not shown | 9 Feb 2026 |
Where Aaa Building and Civil Engineers Limited is registered
The registered office is in Rochester (ME3), in the Medway local authority area, South East. Show ME3 8EX on a map.
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What happens if Aaa Building and Civil Engineers 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10129069
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 April 2016 (10 years ago)
- Registered office
- 1 Ham River Hill, Cliffe Woods, Rochester, Kent, ME3 8EX
- Nature of business
- Construction of roads and motorways (SIC 42110)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 2 September 2026
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Rochester
Other active civil engineering contractors registered in Rochester.
- Adansiman Investments Ltd2016
- Andy Millsom Architectural & Structural Engineering Ltd2026
- Apb Project Solutions Ltd2017
- Asp Water Link Ltd2018
- Aurum Day Ltd2025
- Axis Site Solutions Ltd2026
- Betacove Limited1992
- Bluecopia Ltd2022
All civil engineering contractors in Rochester · All trades in Rochester · Civil engineering across the UK
Frequently asked questions
When are Aaa Building and Civil Engineers Limited's accounts due?
Aaa Building and Civil Engineers Limited's next accounts are due at Companies House by 31 January 2027 (in 109 days), covering the period to 30 April 2026.
When is Aaa Building and Civil Engineers Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is Aaa Building and Civil Engineers Limited still trading?
Aaa Building and Civil Engineers Limited is listed as active on the Companies House register (checked 12 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 Aaa Building and Civil Engineers Limited do?
Aaa Building and Civil Engineers Limited is registered under Construction of roads and motorways (SIC 42110).
How old is Aaa Building and Civil Engineers Limited?
Aaa Building and Civil Engineers Limited was incorporated on 18 April 2016, 10 years ago.
Has Aaa Building and Civil Engineers Limited won public sector contracts?
Yes. Aaa Building and Civil Engineers Limited has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from Southern Water Services Limited.
What is the penalty if Aaa Building and Civil Engineers 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 Aaa Building and Civil Engineers Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.