- Company number
- 09936309
- Incorporated
- 5 Jan 201610 years trading
- Registered office
- 39 High Street, Orpington, Kent, BR6 0JE
- Nature of business
- Construction of commercial buildings
J.E.M Construction & Maintenance Ltd is a 10-year-old private limited company registered in Orpington, company number 09936309, one of 167 building contractors in Orpington. Its next accounts are due at Companies House on 30 October 2026, and the CT600 for the period to 30 January 2026 is due at HMRC on 30 January 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 £5,059 (+5.6%) on the year before, to £96K.
- Net assets rose in 7 of 8 year-on-year comparisons on record.
- Current assets of £190K against £218K owed within a year: 0.9 times cover.
- 5 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £96K | £55K | £190K | £218K | 5 |
| 31 Jan 2024 | £91K | £181K | £425K | £448K | 5 |
| 31 Jan 2023 | £65K | -£10K | £601K | £630K | 4 |
| 31 Jan 2022 | £59K | £37K | £570K | £595K | 5 |
| 31 Jan 2021 | £41K | £42K | £333K | £331K | 5 |
| 31 Jan 2020 | £95K | £240K | £307K | £248K | 5 |
| 31 Jan 2019 | £57K | £49K | £516K | £503K | |
| 31 Jan 2018 | £36K | £50K | £690K | £723K | |
| 31 Jan 2017 | £20K | £32K | £213K | £233K |
Public contracts won
J.E.M Construction & Maintenance Ltd has one public sector contract award on record (2026). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| London Borough of Lewisham | Greenvale School (Mayow Road) - Active Cooling | 25 Feb 2026 |
Where J.E.M Construction & Maintenance Ltd is registered
The registered office is in Orpington (BR6), in the Bromley local authority area, London. Show BR6 0JE on a map.
Other trade companies in BR6
- Tog Fire Protection LtdPlumbers and heating engineers
- Pointfast Global LtdMachinery repair and installation
- Chebic Energy and Property Services LtdFinishing trades
- Prime Refurbishment Kent LtdBuilders
- A.D Building Services London LtdFinishing trades
- Nemo Wash and Go LtdCleaning companies
- T.E.A.Mspotless LtdCleaning companies
- Howard Construction LtdProperty developers
Shared registered office
131 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if J.E.M Construction & Maintenance 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 30 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 31 Oct 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 30 Jan 2027 | £375 |
| 3 to 6 months late | 31 Jan 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 31 Jan 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 30 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jan 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
- 09936309
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 January 2016 (10 years ago)
- Registered office
- 39 High Street, Orpington, Kent, BR6 0JE
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 30 January (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 1 July 2026
- Previous names
- J.E.M Construction & Maintenance Ltd Ltd (until 5 Jan 2016)
J.E.M Construction & Maintence Ltd (until 5 Jan 2016)
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 Orpington
Other active building contractors registered in Orpington.
- J.F. Ingram Limited1962
- Jass Works Limited2026
- JBL Construction Management Limited2020
- JC Projects Kent Ltd2026
- Jocube Limited2025
- JZ Your Home Ltd2025
- Kandtems Ltd2023
- Kenthouse Buildings Ltd2025
All building contractors in Orpington · All trades in Orpington · Builders across the UK
Frequently asked questions
When are J.E.M Construction & Maintenance Ltd's accounts due?
J.E.M Construction & Maintenance Ltd's next accounts are due at Companies House by 30 October 2026 (in 17 days), covering the period to 30 January 2026.
When is J.E.M Construction & Maintenance Ltd's CT600 due?
The CT600 for the period to 30 January 2026 is due at HMRC by 30 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 31 October 2026.
Is J.E.M Construction & Maintenance Ltd still trading?
J.E.M Construction & Maintenance 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 J.E.M Construction & Maintenance Ltd do?
J.E.M Construction & Maintenance Ltd is registered under Construction of commercial buildings (SIC 41201).
How old is J.E.M Construction & Maintenance Ltd?
J.E.M Construction & Maintenance Ltd was incorporated on 5 January 2016, 10 years ago.
Has J.E.M Construction & Maintenance Ltd won public sector contracts?
Yes. J.E.M Construction & Maintenance Ltd has one contract award from public bodies on Contracts Finder and Find a Tender, most recently from London Borough of Lewisham.
What is the penalty if J.E.M Construction & Maintenance 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 J.E.M Construction & Maintenance 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.