£249k
+38%vs Jan 2025Active07908698Private limited companyTadworth
JJ CONSTRUCTION (UK) LIMITED
Significant control: Wojciech Jan Bielecki (25–50%), Katarzyna Julia Bielecka (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Jj Construction (UK) Limited sell?
Registered activity: Electrical installation (SIC 43210). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
JJ CONSTRUCTION (UK) LIMITED is an active private limited company (company number 07908698) incorporated on 13 January 2012, registered in Tadworth. Its registered activity is electrical installation (SIC 43210). Latest micro accounts cover the period ending 31 January 2026, showing net assets of £249k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 38% on the prior period (£180k).
Peer position · net assets
By net assets it sits in the top quarter of 4,199 comparable companies in Greater London (median £5,863, upper quartile £31k).
02
Ownership and control
- Mr Wojciech Jan Bielecki
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mrs Katarzyna Julia Bielecka
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 13 January 201214 yrs ago
- Next accounts due
- 31 October 2027in 370 days
- Confirmation statement due
- 27 January 2027in 93 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 43210
- Electrical installation
- SIC 43220
- Plumbing, heat and air-conditioning installation
- SIC 43320
- Joinery installation
- SIC 43330
- Floor and wall covering
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
0
Not reported the period before| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 January 2026 | £249k | — | — | — | — | — | 0 |
| 31 January 2025 | £180k | — | — | — | — | — | — |
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 £248,527 at 31 January 2026
- Net assets up 10% or more on the prior period+38.0% vs prior period
- Incorporated five or more years agoIncorporated 13 January 2012
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
- Next accounts duein 370 days
- Confirmation statement duein 93 days
- Accounts period endNet assets £249k · micro accounts
- Accounts period endNet assets £180k · micro accounts
- Incorporated
08
Similar companies in Greater London
- DP & SONS LIMITEDChislehurst · inc. Jan 2012
- LJR ELECTRICAL LIMITEDSutton · inc. Jan 2012
- MARTIN POLKE LIMITEDWembley · inc. Jan 2012
- BLB ELECTRICAL LIMITEDWoodford Green · inc. Jan 2012
- GRAEME CARTER BROADCASTING SERVICES LTDDagenham · inc. Jan 2012
- BARONS GROUP LIMITEDBromley · inc. Jan 2012
All companies incorporated on 13 January 2012 · in Jan 2012.
09
Reminders for JJ CONSTRUCTION (UK) LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.