- Companies
- Joiners and carpenters
- Doncaster
- Adt Joinery Ltd
Adt Joinery Ltd
- Company number
- 07700533
- Incorporated
- 11 Jul 201115 years trading
- Registered office
- 11 Bradford Row, Doncaster, DN1 3NF
- Nature of business
- Joinery installation
Adt Joinery Ltd is a 15-year-old private limited company registered in Doncaster, company number 07700533, one of 85 joinery companies in Doncaster. Companies House shows its accounts as overdue: they were due on 31 July 2026.
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 £19K (-23.9%) on the year before, to £61K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £7,530 against £70K owed within a year: 0.1 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2024 | £61K | £7,530 | £70K | 1 | |
| 31 Jul 2023 | £80K | £4,884 | £86K | 1 | |
| 31 Jul 2022 | £112K | £4,346 | £117K | 1 | |
| 31 Jul 2021 | £35K | £46K | £82K | 1 | |
| 31 Jul 2020 | £7,267 | £44K | £55K | 1 | |
| 31 Jul 2019 | £21K | £6,822 | £30K | 1 | |
| 31 Jul 2018 | £12K | £3,063 | £17K | ||
| 31 Jul 2017 | £6,949 | £2,813 | £9,214 | ||
| 31 Jul 2016 | £6,210 | £15K | £8,522 | ||
| 31 Jul 2015 | £1,702 | £2,184 | £401 |
Where Adt Joinery Ltd is registered
The registered office is in Doncaster (DN1), in the Doncaster local authority area, Yorkshire and The Humber. Show DN1 3NF on a map.
Other trade companies in DN1
- Nacu Trans LtdMechanics and garages
- Highwind Developments LimitedFinishing trades
- Adzare Service LtdMechanics and garages
- Sukaj Construction LtdPlasterers
- Tobityres LimitedMechanics and garages
- Firmont Homes LtdBuilders
- Callerton Autos LtdMotor traders
- S & A Motor Vehicles LimitedMotor traders
Also registered at this address
23 other companies use the same registered office as Adt Joinery Ltd.
- Alpha Development Management Solutions LtdProperty developers
- Blansco LtdProperty developers
- Claylane Brickwork LimitedBuilders
- Claylane Construction LtdBuilders
- Co Site Services LtdSpecialist contractors
- Doncaster Groundworks & Reinforcements LtdCivil engineering
- G I Fabrication (Doncaster) LtdSpecialist contractors
- Ground-Tec Construction LtdCivil engineering
- K4 Construction LimitedBuilders
- Keys 123 LimitedMotor traders
- KH Plumbing & Heating Services LtdPlumbers and heating engineers
- KLC Plastering LtdPlasterers
- Lewis Brothers Electrical LimitedElectricians
- MRP Automotive (Yorkshire) LimitedMechanics and garages
- NM Property London LtdProperty developers
- One Stop Scaffolding & Netting Services LimitedScaffolders
- Planetalpha LimitedRoofers
- Poppies (U.K.) Development LimitedCleaning companies
- Sandall Heating Services LtdPlumbers and heating engineers
- Steel Construction (Yorkshire) LimitedCivil engineering
- Stollery Plant & Commercial Sales LimitedMotor traders
- Strand Multiserve LtdCleaning companies
- WMJ Drilling LtdPlumbers and heating engineers
What happens if Adt Joinery Ltd files late
If the accounts reach Companies House today, the late filing penalty is £375 (£750 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2026 to 31 Aug 2026 | £150 |
| 1 to 3 months late | 1 Sep 2026 to 31 Oct 2026 | £375 |
| 3 to 6 months late | 1 Nov 2026 to 31 Jan 2027 | £750 |
| More than 6 months late | From 1 Feb 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2026 | £200 |
| 3 months late | 31 Jan 2027 | another £200 |
| 6 months late | 30 Apr 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 2027 | 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
- 07700533
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 11 July 2011 (15 years ago)
- Registered office
- 11 Bradford Row, Doncaster, DN1 3NF
- Nature of business
- Joinery installation (SIC 43320)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2024
- Last confirmation statement
- 11 July 2025
Filing notes for joinery companies
Joinery companies can carry stock and work in progress at the year end, especially bespoke workshop work, and that figure moves the profit for the year.
Similar companies in Doncaster
Other active joinery companies registered in Doncaster.
- Aj Richardson Flooring Limited2026
- Anthony Alexander Ltd2025
- Aspect Joinery Ltd2025
- Beanie's Joinery and Construction Limited2016
- C and H Joinery Limited2015
- C F Erectors Limited2019
- C Wall Joinery Limited2015
- C&D (Yorkshire) Limited2021
All joinery companies in Doncaster · All trades in Doncaster · Joiners and carpenters across the UK
Frequently asked questions
When are Adt Joinery Ltd's accounts due?
Adt Joinery Ltd's accounts were due at Companies House on 31 July 2026 and the register shows them as overdue.
When is Adt Joinery Ltd'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 July 2025, due by 31 July 2026, and one for the period to 31 October 2025, due by 31 October 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Adt Joinery Ltd still trading?
Adt Joinery Ltd is listed as active on the Companies House register (checked 13 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 Adt Joinery Ltd do?
Adt Joinery Ltd is registered under Joinery installation (SIC 43320).
How old is Adt Joinery Ltd?
Adt Joinery Ltd was incorporated on 11 July 2011, 15 years ago.
What is the penalty if Adt Joinery 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 Adt Joinery Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.