- Companies
- Installers
- Watford
- Ado Building Company Limited
Ado Building Company Limited
- Company number
- 05732344
- Incorporated
- 6 Mar 200620 years trading
- Registered office
- 49 Sandringham Road, Watford, WD24 7AY
- Nature of business
- Other construction installation
Ado Building Company Limited is a 20-year-old private limited company registered in Watford, company number 05732344, one of 80 installation companies (insulation, lifts, shutters and similar) in Watford. Its next accounts are due at Companies House on 30 June 2027, and its first CT600 is due at HMRC on 31 March 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 £158K (+37.9%) on the year before, to £574K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £1.2M against £471K owed within a year: 2.6 times cover.
- 4 employees on average, up from 2 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 Mar 2025 | £574K | £1.2M | £471K | 4 | |
| 31 Mar 2024 | £416K | £611K | £886K | £523K | 2 |
| 31 Mar 2023 | £382K | £217K | £406K | £76K | 2 |
| 31 Mar 2022 | £291K | £383K | £385K | £81K | 2 |
| 31 Mar 2021 | £213K | £281K | £284K | £58K | 2 |
| 31 Mar 2020 | £202K | £186K | £215K | £27K | 2 |
| 31 Mar 2019 | £258K | £258K | £311K | £66K | |
| 31 Mar 2018 | £204K | £289K | £343K | £154K | |
| 31 Mar 2017 | £172K | £195K | £242K | £86K | |
| 31 Mar 2016 | £60K | £99K | £140K | £96K |
Where Ado Building Company Limited is registered
The registered office is in Watford (WD24), in the Watford local authority area, East of England. Show WD24 7AY on a map.
Other trade companies in WD24
- VK28 Services LtdFinishing trades
- DRR Builders LtdBuilders
- Redmarsh Trade LimitedMotor traders
- Herts Trading LtdMotor traders
- Coversure Roofing & Building LtdRoofers
- LLS Building LimitedBuilders
- Snagsense LtdSpecialist contractors
- D&X Cleaning Solutions LtdCleaning companies
What happens if Ado Building Company 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 30 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 05732344
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 6 March 2006 (20 years ago)
- Registered office
- 49 Sandringham Road, Watford, WD24 7AY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 11 February 2026
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 Watford
Other active installation companies (insulation, lifts, shutters and similar) registered in Watford.
- Advanced Racking Solutions Limited2018
- Airflow Design Services Limited2012
- Am Chimneys Limited2009
- Am Gas & Heating Services Ltd2026
- Archian Ltd2024
- Arkay Contractors Limited2012
- Aston Contractors Limited2026
- Best Shopfronts & Shutters Ltd2021
All installation companies (insulation, lifts, shutters and similar) in Watford · All trades in Watford · Installers across the UK
Frequently asked questions
When are Ado Building Company Limited's accounts due?
Ado Building Company Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Ado Building Company Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 31 March 2026, due by 31 March 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Ado Building Company Limited still trading?
Ado Building Company 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 Ado Building Company Limited do?
Ado Building Company Limited is registered under Other construction installation (SIC 43290).
How old is Ado Building Company Limited?
Ado Building Company Limited was incorporated on 6 March 2006, 20 years ago.
What is the penalty if Ado Building Company 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 Ado Building Company 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.