- Companies
- Property developers
- Cambridge
- JK Firms Ltd
JK Firms Ltd
- Company number
- 15856045
- Incorporated
- 24 Jul 20242 years trading
- Registered office
- 17 Plantation Road, Sawston, Cambridge, Cambridgeshire, CB22 3JN
- Nature of business
- Development of building projects
JK Firms Ltd is a 2-year-old private limited company registered in Cambridge, company number 15856045, one of 335 property development companies in Cambridge. Its next accounts are due at Companies House on 30 April 2028, and the CT600 for the period to 31 July 2027 is due at HMRC on 31 July 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for JK Firms LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £24K (+20.5%) on the year before, to £143K.
- Current assets of £18K against £162K owed within a year: 0.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jul 2026 | £143K | £18K | £162K | 2 | |
| 31 Jul 2025 | £119K | £272K | £391K | 2 |
Where JK Firms Ltd is registered
The registered office is in Cambridge (CB22), in the South Cambridgeshire local authority area, East of England. Show CB22 3JN on a map.
Other trade companies in CB22
- Forgecambs LtdJoiners and carpenters
- Custom Window Cleaning Services LtdCleaning companies
- Lilly's Pristine Services LtdCleaning companies
- Central Integrated Services LimitedFinishing trades
- Astronat Property Services LtdFacilities management
- Gregory Motorcare LtdMechanics and garages
- Bamber Estates LimitedProperty developers
- Superior Solutions Group LtdCleaning companies
What happens if JK Firms 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 April 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 May 2028 to 31 May 2028 | £150 |
| 1 to 3 months late | 1 Jun 2028 to 31 Jul 2028 | £375 |
| 3 to 6 months late | 1 Aug 2028 to 31 Oct 2028 | £750 |
| More than 6 months late | From 1 Nov 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Aug 2028 | £200 |
| 3 months late | 31 Oct 2028 | another £200 |
| 6 months late | 31 Jan 2029 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jul 2029 | 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
- 15856045
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 July 2024 (2 years ago)
- Registered office
- 17 Plantation Road, Sawston, Cambridge, Cambridgeshire, CB22 3JN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 31 July (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 July 2026
- Last confirmation statement
- 6 May 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Cambridge
Other active property development companies registered in Cambridge.
- JM Global Ltd2023
- Jorgar Ltd2005
- Jubilee Cottage Limited2020
- K Jacklin Construction Limited2023
- K.J. Hunt Limited1997
- Kang Bridge Development Limited2016
- Keepstone Properties Ltd2026
- Kelliher Renovations Limited2017
All property development companies in Cambridge · All trades in Cambridge · Property developers across the UK
Frequently asked questions
When are JK Firms Ltd's accounts due?
JK Firms Ltd's next accounts are due at Companies House by 30 April 2028 (in 565 days), covering the period to 31 July 2027.
When is JK Firms Ltd's CT600 due?
The CT600 for the period to 31 July 2027 is due at HMRC by 31 July 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 May 2028.
Is JK Firms Ltd still trading?
JK Firms 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 Firms Ltd do?
JK Firms Ltd is registered under Development of building projects (SIC 41100).
How old is JK Firms Ltd?
JK Firms Ltd was incorporated on 24 July 2024, 2 years ago.
What is the penalty if JK Firms 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 Firms 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.