−£89k
vs Mar 2024Active01929627Private limited companyBletchley
BUILDING TECTONICS LIMITED
Significant control: Anthony Charles Keller (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Development of building projects (SIC 41100). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BUILDING TECTONICS LIMITED is an active private limited company (company number 01929627) incorporated on 10 July 1985, registered in Bletchley. Its registered activity is development of building projects (SIC 41100). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£89k, with 3 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 385% on the prior period (−£18k).
Peer position · net assets
By net assets it sits in the bottom quarter of 665 comparable companies in Milton Keynes (median £154, upper quartile £44k).
02
Ownership and control
- Mr Anthony Charles Keller
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- has significant influence or control
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
- 10 July 198541 yrs ago
- Next accounts due
- 31 December 2026in 69 days
- Confirmation statement due
- 24 July 2027in 274 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 41100
- Development of building projects
- SIC 71111
- Architectural activities
- SIC 71112
- Urban planning and landscape architectural activities
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
3
No changevs Mar 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 March 2025 | −£89k | — | — | — | — | — | 3 |
| 31 March 2024 | −£18k | — | — | — | — | — | 3 |
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 £-88,753 at 31 March 2025
- Net assets down 25% or more on the prior period-385.2% vs prior period
- Incorporated five or more years agoIncorporated 10 July 1985
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 274 days
- Next accounts duein 69 days
- Accounts period endNet liabilities £89k · micro accounts
- Accounts period endNet liabilities £18k · micro accounts
- Incorporated
08
Similar companies in Milton Keynes
- LACEYULE LIMITEDBedford · inc. Jun 1985
- CAMPHILL CONTRACTS (MILTON KEYNES) LIMITEDMilton Keynes · inc. Apr 1986
- M J HILLSON LIMITEDBedfordshire · inc. Jun 1984
- W.N. DEVELOPMENTS LIMITEDinc. Feb 1987
- FARMANN LIMITEDMilton Keynes · inc. Sept 1983
- EAGLESFIELD PROPERTIES LIMITEDBedford · inc. Jun 1988
All companies incorporated on 10 July 1985 · in Jul 1985.
09
Reminders for BUILDING TECTONICS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.