- Companies
- Installers
- Leigh-on-Sea
- A D Contracts Limited
A D Contracts Limited
- Company number
- 03613906
- Incorporated
- 12 Aug 199828 years trading
- Registered office
- 23 Somerville Gardens, Leigh-on-Sea, Essex, SS9 1DD
- Nature of business
- Other construction installation
A D Contracts Limited is a 28-year-old private limited company registered in Leigh-on-Sea, company number 03613906, one of 64 installation companies (insulation, lifts, shutters and similar) in Leigh-on-Sea. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 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 down £97K (-14.8%) on the year before, to £561K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £353K against £113K owed within a year: 3.1 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 Aug 2025 | £561K | £160K | £353K | £113K | 0 |
| 31 Aug 2024 | £659K | £157K | £390K | £51K | -1 |
| 31 Aug 2023 | £723K | £407K | £473K | £73K | 1 |
| 31 Aug 2022 | £665K | £274K | £409K | £43K | 1 |
| 31 Aug 2021 | £782K | £469K | £579K | £56K | 1 |
| 31 Aug 2020 | £679K | £470K | £574K | £161K | 1 |
| 31 Aug 2019 | £577K | £164K | £442K | £143K | 1 |
| 31 Aug 2018 | £497K | £434K | £560K | £68K | 1 |
| 31 Aug 2017 | £372K | £498K | £576K | £212K | 1 |
| 31 Aug 2016 | £207K | £250K | £379K | £181K |
Where A D Contracts Limited is registered
The registered office is in Leigh-on-Sea (SS9), in the Southend-on-Sea local authority area, East of England. Show SS9 1DD on a map.
Other trade companies in SS9
- Cheap Locksmith Essex LtdRepair services
- Alexander Hall Real Estate LtdProperty developers
- Britannia Roofing & Dampproofing LtdRoofers
- Elite Build & Co (Essex) LtdBuilders
- High Lift Scaffold LimitedScaffolders
- Hill's Plumbing, Heating & Gas LtdPlumbers and heating engineers
- MTS Piling LimitedSpecialist contractors
- Install & Transport LimitedMachinery repair and installation
What happens if A D Contracts 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 03613906
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 1998 (28 years ago)
- Registered office
- 23 Somerville Gardens, Leigh-on-Sea, Essex, SS9 1DD
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 August (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 5 August 2026
- Previous names
- A D Interiors Limited (until 13 Apr 2007)
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Leigh-on-Sea
Other active installation companies (insulation, lifts, shutters and similar) registered in Leigh-on-Sea.
- A R Wand Sprinklers Limited2012
- A. J. Williams Insulation Limited2007
- Agroofingconsultants Limited2025
- Apron Design Limited2015
- Arc Insulation Services Ltd2025
- Asset Interiors Ltd2021
- Austin Utilities & Groundworks Ltd2022
- B & G Doors Ltd2023
All installation companies (insulation, lifts, shutters and similar) in Leigh-on-Sea · All trades in Leigh-on-Sea · Installers across the UK
Frequently asked questions
When are A D Contracts Limited's accounts due?
A D Contracts Limited's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is A D Contracts Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is A D Contracts Limited still trading?
A D Contracts 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 A D Contracts Limited do?
A D Contracts Limited is registered under Other construction installation (SIC 43290).
How old is A D Contracts Limited?
A D Contracts Limited was incorporated on 12 August 1998, 28 years ago.
What is the penalty if A D Contracts 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 A D Contracts 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.