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- Key Ductwork Services Limited
Company profile · Installers
Key Ductwork Services Limited
Key Ductwork Services Limited is a 16-year-old private limited company registered in Dudley, company number 07194013, one of 54 installation companies (insulation, lifts, shutters and similar) in Dudley. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 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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Financial snapshot, 2025
From the balance sheet at 31 March 2025, as filed at Companies House.
Key Ductwork Services Limited over the years
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 £35K (-13.1%) on the year before, to £234K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £436K against £210K owed within a year: 2.1 times cover.
- 3 employees on average during the year.
- 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 | £234K | £78K | £436K | £210K | 3 |
| 31 Mar 2024 | £269K | £135K | £419K | £174K | 3 |
| 31 Mar 2023 | £184K | £34K | £271K | £101K | 2 |
| 31 Mar 2022 | £233K | £43K | £314K | £102K | 4 |
| 31 Mar 2021 | £237K | £66K | £370K | £156K | 4 |
| 31 Mar 2020 | £233K | £93K | £326K | £117K | 3 |
| 31 Mar 2019 | £233K | £60K | £320K | £98K | 3 |
| 31 Mar 2018 | £216K | £54K | £311K | £110K | 3 |
| 31 Mar 2017 | £204K | £101K | £270K | £85K | 3 |
| 31 Mar 2016 | £205K | £108K | £292K | £109K |
Where Key Ductwork Services Limited is registered
The registered office is in Dudley (DY2), in the Dudley local authority area, West Midlands. Show DY2 7DJ on a map.
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- Has Management Services LtdMotor traders
- Signature Water Services LtdPlumbers and heating engineers
- Corinium Garden Services LimitedLandscapers and gardeners
- Zenova Motor Group LtdMotor traders
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- LC Landscaping LtdLandscapers and gardeners
Also registered at this address
12 other companies use the same registered office as Key Ductwork Services Limited.
- 3SM Landscaping LimitedLandscapers and gardeners
- B&F Flooring LimitedFloor and wall tilers
- Clee View Properties LimitedProperty developers
- KG Driveways and Landscaping LimitedCivil engineering
- KNR Systems LimitedFinishing trades
- L K Heating & Plumbing LimitedPlumbers and heating engineers
- Milijo's LimitedBuilders
- Oakham Hill Home & Garden LimitedFinishing trades
- Paragon Properties (Midlands) LimitedFinishing trades
- Sa Direct Motors LimitedMotor traders
- Tromans Construction LimitedFinishing trades
- Zenova Motor Group LtdMotor traders
What happens if Key Ductwork Services 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 07194013
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 March 2010 (16 years ago)
- Registered office
- 101 Dixons Green Road, Dudley, West Midlands, DY2 7DJ
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 March 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 Dudley
Other active installation companies (insulation, lifts, shutters and similar) registered in Dudley.
- Kraken Construction (Midlands) Ltd2017
- MF Shopfitting Ltd2018
- Midfabs Engineering Limited2026
- Midland Door Services Ltd2026
- Midtherm Engineering Limited1983
- Mitchell Renovations Ltd2015
- MJK Installations Limited2016
- Modern View Limited2025
All installation companies (insulation, lifts, shutters and similar) in Dudley · All trades in Dudley · Installers across the UK
Frequently asked questions
When are Key Ductwork Services Limited's accounts due?
Key Ductwork Services Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Key Ductwork Services Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Key Ductwork Services Limited still trading?
Key Ductwork Services 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 Key Ductwork Services Limited do?
Key Ductwork Services Limited is registered under Other construction installation (SIC 43290).
How old is Key Ductwork Services Limited?
Key Ductwork Services Limited was incorporated on 18 March 2010, 16 years ago.
What is the penalty if Key Ductwork Services 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 Key Ductwork Services 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.