- Companies
- Builders
- Milton Keynes
- Jsi Property Limited
Jsi Property Limited
- Company number
- 12108623
- Incorporated
- 17 Jul 20197 years trading
- Registered office
- Ground Floor, Baird House Seebeck Place, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8FR
- Nature of business
- Construction of domestic buildings
Jsi Property Limited is a 7-year-old private limited company registered in Milton Keynes, company number 12108623, one of 358 building contractors in Milton Keynes. Its next accounts are due at Companies House on 30 April 2027, and the CT600 for the period to 31 July 2026 is due at HMRC on 31 July 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 £2,833 (+11.6%) on the year before, to £27K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- 2 employees on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2025 | £27K | £5,929 | £157K | 2 | |
| 31 Jul 2024 | £24K | £4,880 | £80K | 2 | |
| 31 Jul 2023 | £24K | £179 | £71K | 2 | |
| 31 Jul 2022 | £4,131 | £582 | £70K | 2 | |
| 31 Jul 2021 | £1,705 | £970 | £69K | 2 | |
| 31 Jul 2020 | -£380 | £1,345 | £63K | 2 |
Where Jsi Property Limited is registered
The registered office is in Milton Keynes (MK5), in the Milton Keynes local authority area, South East. Show MK5 8FR on a map.
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Also registered at this address
20 other companies use the same registered office as Jsi Property Limited.
- Butterfield's Recovery Ltd.Mechanics and garages
- DBC Contracting LimitedProperty developers
- DBC Services & Renewables LtdProperty developers
- DKD Building Services LimitedBuilders
- Farm Garages LimitedMotor traders
- Floorscreed (UK) LimitedFloor and wall tilers
- Henlow Camp Property Co. LimitedProperty developers
- HJK Auto Services LimitedMechanics and garages
- Hurley Electrical Contractors LimitedElectricians
- J S J Roofing LtdRoofers
- Manor Roofing (Herts) LimitedRoofers
- Marshall Shopfitters LimitedInstallers
- Nawc LimitedFinishing trades
- R.M.S. Decoration LimitedPainters and decorators
- Retro Management LimitedProperty developers
- S J I Building Maintenance LimitedBuilders
- Siju LimitedProperty developers
- T & L Flooring LimitedFloor and wall tilers
- Thermotech Plumbing & Heating Services LimitedPlumbers and heating engineers
- Wolfwood Consulting LimitedBuilders
What happens if Jsi Property 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 April 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2027 to 31 May 2027 | £150 |
| 1 to 3 months late | 1 Jun 2027 to 31 Jul 2027 | £375 |
| 3 to 6 months late | 1 Aug 2027 to 31 Oct 2027 | £750 |
| More than 6 months late | From 1 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2027 | £200 |
| 3 months late | 31 Oct 2027 | another £200 |
| 6 months late | 31 Jan 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 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
- 12108623
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 July 2019 (7 years ago)
- Registered office
- Ground Floor, Baird House Seebeck Place, Knowlhill, Milton Keynes, Buckinghamshire, MK5 8FR
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 July 2025
- Last confirmation statement
- 16 July 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.
- Kasa Conversions Limited2015
- Kayasth Ltd2026
- Kayb Construction Ltd2026
- Kinetik Spaces Limited2025
- Kingsmead Conversions Limited2011
- Knowlesbuildingservice Limited2023
- L J F Brickwork Limited2016
- Lanco Ltd2025
All building contractors in Milton Keynes · All trades in Milton Keynes · Builders across the UK
Frequently asked questions
When are Jsi Property Limited's accounts due?
Jsi Property Limited's next accounts are due at Companies House by 30 April 2027 (in 199 days), covering the period to 31 July 2026.
When is Jsi Property Limited's CT600 due?
The CT600 for the period to 31 July 2026 is due at HMRC by 31 July 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2027.
Is Jsi Property Limited still trading?
Jsi Property 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 Jsi Property Limited do?
Jsi Property Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Jsi Property Limited?
Jsi Property Limited was incorporated on 17 July 2019, 7 years ago.
What is the penalty if Jsi Property 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 Jsi Property 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.