−£65k
vs Dec 2023Active03441673Private limited companyDudley
BUILDING BLOCK LIMITED
Significant control: Julia Sian Willetts (25–50%), Mark Willetts (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
Watch this company
Get an email when Companies House records a change for Building Block Limited: status, filings, accounts, officers or owners. Free.
Not live yet: alerts start by 15 December 2026. We store your email and this company number only, for these alerts. If alerts don’t launch, we tell you and delete your address. Privacy
Coming soon · product and service lists
What does Building Block Limited sell?
Registered activity: Real estate agencies (SIC 68310). We’re building product and service lists for UK companies. Get this one when it’s ready.
One email, only about this. If we don’t launch within 60 days we’ll tell you. Privacy
01
Summary
BUILDING BLOCK LIMITED is an active private limited company (company number 03441673) incorporated on 29 September 1997, registered in Dudley. Its registered activity is real estate agencies (SIC 68310). Latest micro accounts cover the period ending 31 December 2024, showing net assets of −£65k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 28% on the prior period (−£50k).
Peer position · net assets
By net assets it sits in the bottom quarter of 706 comparable companies in Birmingham (median £1,033, upper quartile £29k).
02
Ownership and control
- Mrs Julia Sian Willetts
- owns 25–50% of shares
- Mr Mark Willetts
- owns 25–50% of shares
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
- 29 September 199729 yrs ago
- Next accounts due
- 30 September 202625 days overdue
- Confirmation statement due
- 13 October 2027in 353 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 68310
- Real estate agencies
- SIC 68320
- Management of real estate on a fee or contract basis
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
No changevs Dec 2023| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2024 | −£65k | — | — | £69k | — | — | 2 |
| 31 December 2023 | −£50k | — | — | £58k | — | — | 2 |
Current ratio0.03Current 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 below zeroNet assets £-64,542 at 31 December 2024
- Net assets down 25% or more on the prior period-28.5% vs prior period
- Current assets below creditors within one yearCurrent ratio 0.03
- Incorporated five or more years agoIncorporated 29 September 1997
- Accounts past their due dateDue 30 September 2026
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 353 days
- Next accounts due25 days overdue
- Accounts period endNet liabilities £65k · micro accounts
- Accounts period endNet liabilities £50k · micro accounts
- Incorporated
08
Similar companies in Birmingham
- PAUL & SONS LIMITEDBirmingham · inc. Dec 1997
- MARK PRICE & CO LIMITEDBurntwood · inc. Jan 1998
- STREETS AHEAD PROPERTIES LIMITEDSolihull · inc. Feb 1998
- BARTLAMS LIMITEDWolverhampton · inc. Mar 1998
- ESPACE LIMITEDBirmingham · inc. Mar 1998
- WEBBS ESTATE AGENTS LIMITEDStaffordshire · inc. Mar 1997
All companies incorporated on 29 September 1997 · in Sept 1997.
09
Reminders for BUILDING BLOCK LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.