- Companies
- Machinery repair and installation
- Kidlington
- JK Ductwork Services Ltd
JK Ductwork Services Ltd
- Company number
- 14313815
- Incorporated
- 23 Aug 20224 years trading
- Registered office
- Suite N1, Kidlington Centre, High Street, Kidlington, Oxon, OX5 2DL
- Nature of business
- Installation of industrial machinery and equipment; Plumbing, heat and air-conditioning installation; Other construction installation
JK Ductwork Services Ltd is a 4-year-old private limited company registered in Kidlington, company number 14313815, one of 10 machinery repair and installation companies in Kidlington. 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 up £102K (+44.2%) on the year before, to -£128K.
- Current assets of £87K against £142K owed within a year: 0.6 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 3 years, 2023 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Aug 2025 | -£128K | £87K | £142K | 1 | |
| 31 Aug 2024 | -£230K | £54K | £115K | 1 | |
| 31 Aug 2023 | -£59K | £105K | £64K | 1 |
Where JK Ductwork Services Ltd is registered
The registered office is in Kidlington (OX5), in the Cherwell local authority area, South East. Show OX5 2DL on a map.
Other trade companies in OX5
- Lally Fenestration LtdJoiners and carpenters
- Langford & Co Construction LtdProperty developers
- The Oxford Kitchen Fitter LtdJoiners and carpenters
- Michelin Cleaning Services LtdCleaning companies
- CPH Electrical Oxford LtdElectricians
- Oxford Brick & Stone LtdBuilders
- CPH Property Services Oxford LtdBuilders
- Cam Muldur Contracting LtdBuilders
Also registered at this address
9 other companies use the same registered office as JK Ductwork Services Ltd.
- A&L Decorating Oxford LtdPainters and decorators
- Bespoke Stonemasonry Services LtdSpecialist contractors
- Dowleys Business Enterprises LimitedMechanics and garages
- DPG Carpentry LimitedJoiners and carpenters
- GCP Homes LtdProperty developers
- Ids Decorators LimitedSpecialist contractors
- JTS Homes LtdProperty developers
- Prestige Renovations & Maintenance LtdInstallers
- The Flooring Company (Oxford) LtdFloor and wall tilers
What happens if JK Ductwork Services Ltd 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
- 14313815
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 August 2022 (4 years ago)
- Registered office
- Suite N1, Kidlington Centre, High Street, Kidlington, Oxon, OX5 2DL
- Nature of business
- Installation of industrial machinery and equipment (SIC 33200)
Plumbing, heat and air-conditioning installation (SIC 43220)
Other construction installation (SIC 43290) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 24 April 2026
Filing notes for machinery repair and installation companies
Machinery repair and installation companies often carry parts stock and specialist tools, and many work on contracts that span the year end.
Similar companies in Kidlington
Other active machinery repair and installation companies registered in Kidlington.
- P3 Engineering Ltd.2013
- Pro Prep (Oxford) Ltd2025
- Repair My Phone (Oxford) Limited2017
- Robert's Garden Machinery Limited2014
- RPM Aviation Ltd2020
- Supportcomm.Co.UK Limited2005
- The Midland Aeroplane Company Ltd2019
- Baldwin Domestic Appliances Limited2014
All machinery repair and installation companies in Kidlington · All trades in Kidlington · Machinery repair and installation across the UK
Frequently asked questions
When are JK Ductwork Services Ltd's accounts due?
JK Ductwork Services Ltd's next accounts are due at Companies House by 31 May 2027 (in 230 days), covering the period to 31 August 2026.
When is JK Ductwork Services Ltd'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 JK Ductwork Services Ltd still trading?
JK Ductwork Services Ltd 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 JK Ductwork Services Ltd do?
JK Ductwork Services Ltd is registered under Installation of industrial machinery and equipment (SIC 33200); Plumbing, heat and air-conditioning installation (SIC 43220); Other construction installation (SIC 43290).
How old is JK Ductwork Services Ltd?
JK Ductwork Services Ltd was incorporated on 23 August 2022, 4 years ago.
What is the penalty if JK Ductwork Services 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 JK Ductwork Services Ltd 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.