£11k
−42%vs Jun 2024Active14960474Private limited companyLondon
JK BUILDING LTD
Significant control: Jaroslaw Kwasniak (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Jk Building Ltd sell?
Registered activity: Construction of domestic buildings (SIC 41202). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JK BUILDING LTD is an active private limited company (company number 14960474) incorporated on 26 June 2023, registered in London. Its registered activity is construction of domestic buildings (SIC 41202). Latest micro accounts cover the period ending 30 June 2025, showing net assets of £11k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 42% on the prior period (£18k).
Peer position · net assets
By net assets it sits in the upper half of 5,020 comparable companies in London (median £1,956, upper quartile £20k).
02
Ownership and control
- Mr Jaroslaw Kwasniak
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 26 June 20233 yrs ago
- Next accounts due
- 30 March 2027in 158 days
- Confirmation statement due
- 10 July 2027in 260 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41202
- Construction of domestic buildings
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
1
No changevs Jun 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 June 2025 | £11k | — | — | £17k | — | — | 1 |
| 30 June 2024 | £18k | — | — | £4,415 | — | — | 1 |
Current ratio1.4Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets above zeroNet assets £10,586 at 30 June 2025
- Net assets down 25% or more on the prior period-41.7% vs prior period
- Incorporated two to five years agoIncorporated 26 June 2023
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Confirmation statement duein 260 days
- Next accounts duein 158 days
- Accounts period endNet assets £11k · micro accounts
- Accounts period endNet assets £18k · micro accounts
- Incorporated
08
Similar companies in London
- EVK CONSTRUCTION LTDLondon · inc. Jun 2023
- WHISTLER CONSTRUCTIONS LTDLondon · inc. Jun 2023
- TFKUKS LTDLondon · inc. Jun 2023
- TGHANDYMANSERVICES LIMITEDLondon · inc. Jun 2023
- MC2 CONSTRUCTION LTDLondon · inc. Jun 2023
- PAINT FOR YOU LIMITEDLondon · inc. Jun 2023
All companies incorporated on 26 June 2023 · in Jun 2023.
09
Reminders for JK BUILDING LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.