A D T PLUMBING & HEATING LIMITED

💤Zombieactive

04845358 · ltd · incorporated 2003-07-25

Investment thesis

Zombie company — trading but stalled; unlikely mover.

Why interesting: Quiet, steady; could be a succession or carve-out candidate with the right conversation.

Why risky: No growth signal; thin margin for error on price.

🔒Estimated value

—

Upgrade to see

Turnover

—

year to Mar 2025

Net worth

£1.0k

book net assets

Opportunity

80/100

Exceptional

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What this business does

Primary activity: Plumbing, heat and air-conditioning installation

Sector: Construction

Investor take

Pursue

Asset-holding vehicle with a 60-year-old founder — textbook succession opportunity.

Opportunity 80/100 (exceptional), bankability 75/100. Strong seller-intent signal (70/100, director aged 60). Share purchase looks the cleaner deal structure. Biggest value-creation lever: Broaden director team. Sole director creates succession risk and reduces buyer comfort. Appoint a second director or strong #2. Most likely exit: share sale to pe / searcher (73/100).

Data confidence

Overall: medium (75/100)

Adequate coverage. AI outputs are reliable for the sections scored high; verify the rest in diligence.

Company profile

address, 1 SIC codes, incorporation date

100

Financials

2 years of iXBRL accounts extracted (YoY deltas available) + narrative notes parsed

Lenders & charges

Confirmed no charges registered

Directors & officers

4 officers (2 active, 4 linked, 1 with DOB)

Ownership & PSC

1 active PSC(s) of 1 total, 1 with control declared

Director network

Network not yet resolved

Filing history

52 filings on record

Gazette notices

No matching gazette notices (standard for active companies)

Opportunity Score

80/100Exceptional

PassWatchWorth a lookStrongExceptional

Strong composite across quality, acquirability, and risk. High-priority target — progress to serious diligence.

Business quality

Active, clean filings, stable charge profile.

Acquirability

Strong succession / seller-readiness signals.

Risk profile

Few red flags.

Signal strength

Good data coverage for analysis.

Signals from accounts

Derived from iXBRL accounts · FRS 105 (micro)

Positive net assets

Net assets £1,025

Key financials

2 years extracted from filed iXBRL accounts

Cash

—

Net Worth

£1k

↑ 2230% YoY

Current Assets

£6k

↓ 2.9% YoY

Current Liabilities

—

Hover to see exact values · click legend to toggle series

Financials

Extracted from Companies House accounts · FRS 105 (micro)

Metric	2025-03-31	2024-03-31
Total assets	£2.0k	£7.4k
Current assets	£6.3k	£6.5k
Net assets	£1.0k	£44

Amounts extracted automatically from iXBRL. Fields left blank were not reported or not mapped. Values in GBP unless stated.

🔒Filing-note intelligence

1 signal detected in this company's narrative notes — going-concern language, audit opinion, contingent liabilities, related-party transactions.

Available from the Pro tier upwards.

See pricing →

Recent activity

Last 30 days

filings

Last 90 days

filings

Last 180 days

filings

Counts from Companies House filing history.

Corporate timeline (22 events)Click to expand

2025-10-03
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2024-10-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2023-09-14
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2022-12-22
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2021-11-25
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2020-11-23
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2019-12-20
📄
accounts-with-accounts-type-micro-entity
accounts · AA
2018-10-11
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2017-12-07
📄
accounts-with-accounts-type-total-exemption-full
accounts · AA
2016-12-21
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2015-11-07
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2015-08-25
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2015-01-15
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2014-08-04
📄
annual-return-company-with-made-up-date-full-list-shareholders
annual-return · AR01
2013-12-13
📄
accounts-with-accounts-type-total-exemption-small
accounts · AA
2003-07-25
🏢
Company incorporated
As A D T PLUMBING & HEATING LIMITED
2003-07-25
➕
THEYER, Linda Mary appointed
secretary
2003-07-25
➕
THEYER, Andrew David appointed
director
2003-07-25
➕
BTC (SECRETARIES) LIMITED appointed
corporate-nominee-secretary
2003-07-25
➖
BTC (SECRETARIES) LIMITED resigned
corporate-nominee-secretary
2003-07-25
➕
BTC (DIRECTORS) LTD appointed
corporate-nominee-director
2003-07-25
➖
BTC (DIRECTORS) LTD resigned
corporate-nominee-director

Owner dependency

93/100

Critical — business is the founder

The business appears inseparable from the founder. Acquisition without a serious earn-out or meaningful transition period would likely destroy value.

FACTORS

+Sole director: Only one active director — all governance concentrated on one person.
+Long-tenure founder: Senior director has been in place 23 years — deep operational knowledge concentrated in one person.
+Senior director age: Director aged approximately 60 — approaching natural succession window.

Succession & seller-readiness

85/100

Likely off-market candidate

Strong acquirability signals converging. Worth approaching directly — this is how off-market deals start.

SIGNALS

secondaryFounder aged 58+: Senior director is approximately 60. Early succession window.
primarySole active director: Only one director in control. No visible successor — buyers solve the succession problem.
primary20+ year tenure: Director in role 23 years. Very long tenure is a classic succession signal.
secondaryStable-but-static management: Company is 23 years old and no new directors in the last 3 years — succession not yet being planned internally.
supportingClean filings + long tenure: Disciplined long-tenure operator — classic lifestyle-business pattern that often sells quietly.

Red flags

clean

No red flags detected from available public data. (This is not a clean bill of health — detailed accounts review still recommended.)

Shareholders & ownership

1 active beneficial owner

Name	Shares	Voting rights	Nature of control	Notified
Mr Andrew David Theyer Individual · British · DOB 04/1966 · age 60	—	—	sig. influencesignificant influence	25/07/2016

From Companies House Persons with Significant Control filings. Share ranges are banded per the public PSC regime.

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Active · Construction · GL postcode area

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AB CARPENTRY SOUTH WEST LIMITED→ 11974561 · est 2019 · no financials extracted	—	—	—	—	6y	—	—
ABITALIA CONTRACTS LIMITED→ 14624270 · est 2023 · no financials extracted	—	—	—	—	3y	—	—
AC ELECTRICAL AND INTERIORS LIMITED→ 11018125 · est 2017 · no financials extracted	—	—	—	—	8y	—	—
AC ELECTRICAL SOLUTIONS (COMMERCIAL) LTD→ 12138832 · est 2019 · no financials extracted	—	—	—	—	6y	—	—
AC ELECTRICAL SOLUTIONS (GLOUCESTERSHIRE) LIMITED→ 10345354 · est 2016 · no financials extracted	—	—	—	—	9y	—	—
AC&H CONSTRUCTION LTD→ 14265006 · est 2022 · no financials extracted	—	—	—	—	3y	—	—
ACCESS DIRECT SERVICES LIMITED→ 09667788 · est 2015 · no financials extracted	—	—	—	—	10y	—	—
ACCOMMODATION SERVICES (HOLDINGS) LIMITED→ 03825262 · est 1999 · no financials extracted	—	—	—	—	26y	—	—
ACE COMFORT COOLING LTD→ 06414575 · est 2007 · no financials extracted	—	—	—	—	18y	—	—
ACE GROUP (SW) LTD→ 15271448 · est 2023 · no financials extracted	—	—	—	—	2y	—	—
ACROW GLOBAL LIMITED→ 11869826 · est 2019 · no financials extracted	—	—	—	—	7y	—	—
ACT DIRECT LIMITED→ 03917469 · est 2000 · no financials extracted	—	—	—	—	26y	—	—

Peers ranked by estimated value, then turnover, then opportunity score.See all →

🔒Tailored diligence questions

7 specific questions generated from this company's actual signals — liquidity, leverage, director age, charge count, red flags, age-of-company.

Available from the Pro tier upwards.

See pricing →

🔒Advanced scoring suite

Exit-route ranking, improvement thesis, quiet-distress detector, covenant-pressure proxy, extraction monitor, approaching triggers, ownership drift, local cluster, value trap, debt capacity, archetype classification — 48+ scoring modules.

Available from the Pro tier upwards.

See pricing →

Company details

Statusactive

Typeltd

Incorporated2003-07-25

Jurisdictionengland-wales

Primary SIC43220 — Plumbing, heat and air-conditioning installation

Registered office

57 Merestones Drive

Cheltenham

Gloucestershire

GL50 2SU

Filing status

Accounts

Next due: 2026-12-31

Last made up to: 2025-03-31

Confirmation statement

Next due: 2026-08-08

Last: 2025-07-25

Officers (2 active · 2 resigned)

THEYER, Linda Mary→

secretary · appointed 2003-07-25

View their other companies + combined net worth →

Active

THEYER, Andrew David→

director · ~60y · appointed 2003-07-25

View their other companies + combined net worth →

Active

BTC (SECRETARIES) LIMITED→

corporate-nominee-secretary · appointed 2003-07-25 · resigned 2003-07-25

Resigned

BTC (DIRECTORS) LTD→

corporate-nominee-director · appointed 2003-07-25 · resigned 2003-07-25

Resigned

Click a director name to see their full track record across all companies.