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- J.E.T Construction (Milton Keynes) Limited
J.E.T Construction (Milton Keynes) Limited
- Company number
- 03614707
- Incorporated
- 12 Aug 199828 years trading
- Registered office
- 1 Mount Avenue, Bletchley, Milton Keynes, Buckinghamshire, MK1 1LS
- Nature of business
- Construction of commercial buildings
J.E.T Construction (Milton Keynes) Limited is a 28-year-old private limited company registered in Milton Keynes, company number 03614707, one of 358 building contractors in Milton Keynes. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £43K (-5.5%) on the year before, to £740K.
- Net assets rose in 6 of 9 year-on-year comparisons on record.
- Current assets of £1.3M against £601K owed within a year: 2.1 times cover.
- 15 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £740K | £362K | £1.3M | £601K | 15 |
| 29 Feb 2024 | £783K | £624K | £1M | £287K | 15 |
| 28 Feb 2023 | £725K | £540K | £1.3M | £635K | 16 |
| 28 Feb 2022 | £710K | £231K | £1.4M | £728K | 14 |
| 28 Feb 2021 | £683K | £619K | £1.9M | £1.1M | 14 |
| 29 Feb 2020 | £664K | £352K | £1.1M | £509K | 17 |
| 28 Feb 2019 | £668K | £338K | £699K | ||
| 28 Feb 2018 | £693K | £583K | £617K | ||
| 28 Feb 2017 | £673K | £367K | |||
| 29 Feb 2016 | £628K | £309K | £425K |
Public contracts won
J.E.T Construction (Milton Keynes) Limited has 24 public sector contract awards on record; the ones with their own published value total £4.2M, from 2016 to 2026. Source: Contracts Finder and Find a Tender award notices. For 2 of them the published figure is a shared or multi-year ceiling (a framework place, a multi-supplier award, or more than a small company could hold alone), so no value is shown. 22 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Northampton General Hospital NHS Trust7 awards
- Buckinghamshire Council7 awards
- Buckinghamshire County Council7 awards
- The Police, Fire and Crime Commissioner for Northamptonshire1 award
- Stonewater Limited1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Northampton General Hospital NHS Trust | NGH - Maternity Bereavement Suite | Ceiling, not shown | 28 Sep 2026 |
| Buckinghamshire Council | Great Kingshill Combined School | 22 Jun 2026 | |
| Northampton General Hospital NHS Trust | NGH - Refurbishment of Old ITU 33 Bed Ward | Ceiling, not shown | 27 Jan 2026 |
| The Police, Fire and Crime Commissioner for Northamptonshire | Provision of Welfare Facilities at Wootton Hall | £313K | 8 Dec 2025 |
| Northampton General Hospital NHS Trust | Eleanor Ward Reconfiguration Project | £29K | 17 Jul 2024 |
| Buckinghamshire Council | Buckingham Opportunities Centre - Remodelling and Alterations | £310K | 2 Apr 2024 |
| Northampton General Hospital NHS Trust | Moulton Park Midwifery Hub | £252K | 24 Nov 2022 |
| Northampton General Hospital NHS Trust | Moulton Park Midwifery Hub | £260K | 24 Nov 2022 |
| Buckinghamshire Council | Furze Down School - Construction of two standalone classroom buildings | £835K | 4 Nov 2022 |
| Northampton General Hospital NHS Trust | Our Space NGH | £208K | 24 Oct 2022 |
Showing the 10 most recent of 24.
Where J.E.T Construction (Milton Keynes) Limited is registered
The registered office is in Milton Keynes (MK1), in the Milton Keynes local authority area, South East. Show MK1 1LS on a map.
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- Es Signature LimitedMotor traders
- MK Prime MOT Autofix & Tyres Center LtdMechanics and garages
- Lakestone Landscaping LtdLandscapers and gardeners
- Chellaston Aviation LimitedMachinery repair and installation
- Steltrat Aviation Engineering LimitedMachinery repair and installation
- Steve's Autos LtdMechanics and garages
What happens if J.E.T Construction (Milton Keynes) 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 03614707
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 1998 (28 years ago)
- Registered office
- 1 Mount Avenue, Bletchley, Milton Keynes, Buckinghamshire, MK1 1LS
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 12 August 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Milton Keynes
Other active building contractors registered in Milton Keynes.
- J.M. Turner Brickwork Limited2008
- Jardines Property Developments Limited2012
- JC Management and Training Ltd2026
- JD Build Projects Ltd2019
- JD Construction South Ltd2025
- Jim Meadows Building Services Ltd2017
- JJ Kong General Builder Ltd2025
- JSD Carpentry Ltd2019
All building contractors in Milton Keynes · All trades in Milton Keynes · Builders across the UK
Frequently asked questions
When are J.E.T Construction (Milton Keynes) Limited's accounts due?
J.E.T Construction (Milton Keynes) Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is J.E.T Construction (Milton Keynes) Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is J.E.T Construction (Milton Keynes) Limited still trading?
J.E.T Construction (Milton Keynes) Limited 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 J.E.T Construction (Milton Keynes) Limited do?
J.E.T Construction (Milton Keynes) Limited is registered under Construction of commercial buildings (SIC 41201).
How old is J.E.T Construction (Milton Keynes) Limited?
J.E.T Construction (Milton Keynes) Limited was incorporated on 12 August 1998, 28 years ago.
Has J.E.T Construction (Milton Keynes) Limited won public sector contracts?
Yes. J.E.T Construction (Milton Keynes) Limited has 24 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £4.2M), most recently from Northampton General Hospital NHS Trust.
What is the penalty if J.E.T Construction (Milton Keynes) 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 J.E.T Construction (Milton Keynes) Limited 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.