TV aerial fault finding in Upminster
In a town where people tend to stay put, TV aerials last a long time, sometimes too long. Plenty of Upminster roofs still carry an aerial that was already old when the capital’s analogue signals were turned off in 2012, with cable that has been baking and soaking on the wall ever since. The jacket cracks, water creeps along the braid, and a clamp loosens until the aerial wanders off Crystal Palace. The picture gets patchy before it fails.
We trace faults with a meter, working back from the screen: first the set, then its socket, then any amplifier, and finally the aerial on the roof. The point where the numbers fall off is the point we mend. Then we retune every TV and show you the figures, so you know the job is done.
Fault finder
What’s wrong with your picture?
Pick the closest match to see what usually causes it, what to try first, and how we’d fix it.
Faults we fix on Upminster TV aerials

Storm and wind damage
Houses on the higher ground in the north of the town, and anything facing the open fields east of Cranham, catch the worst of the winter gales. We make bent or fallen aerials safe, then straighten, re-fix or replace them.

Water in the cable
Cracked coax and unsealed connectors let rain in, and the copper inside corrodes. Pictures freeze worst in wet weather. We replace the damaged length, fit sealed plugs and leave a drip loop so water runs off.

TV aerial off its line
A slack clamp lets the aerial turn in the wind, and even a small shift away from Crystal Palace can cost you channels. We realign with the meter attached and lock it in place.

Failed amplifiers and splitters
When the whole house loses its picture together, the loft amplifier or its power supply is the usual suspect. In houses with lots of rooms we also find chains of cheap splitters; we replace them with one properly set amplifier.

Missing channels and 4G/5G interference
A retune that leaves gaps in the channel list often means an old narrow-band aerial. Freezing at certain times of day can be mobile interference from masts near the main roads. A wideband aerial or a filter at the amplifier sorts it.

Sockets, fly leads and single rooms
When one TV is the problem, look close to it: a fly lead trodden flat behind the unit, a socket pulled loose by a decorator, or a nail through the cable to that room. We test that run alone and fix what has failed.
Repair or replace your TV aerial?
Wherever a repair will last, that is what we do. Buying a new TV aerial makes more sense when rust has eaten into the old one or elements have dropped off, when it was made for a band of channels that misses part of today’s Freeview, or when the mast and bracket are due for renewal anyway and the aerial is tired. You see the readings and choose.
Drag along the screen below to compare how a fault looks at each stage, and the usual Upminster culprit behind it.



Farms and cottages on the green belt
Beyond the last streets of Upminster and Cranham, RM14 runs out into open farmland around North Ockendon and Bulphan. TV aerials there are exposed to wind from every direction, and many homes feed TVs in barns, annexes or stable flats through long cable runs that were never meant to go that far. Those runs lose signal, and joints buried in hedges or clipped along fences fill with water. We replace tired cable with a low-loss type, add an amplifier at the right point rather than at the end of the line, and fit a stronger mast and bracket where the wind has had its way.
Areas we cover in and around Upminster
Repairs to any aerial in Upminster, Cranham and the villages nearby, including ones we didn’t fit.
Upminster and Cranham
- Upminster town centre
- Station Road
- St Mary’s Lane
- Corbets Tey Road
- Upminster Bridge
- Hacton
- Corbets Tey
- Cranham
- Front Lane
- Upminster Park
- Hall Lane
Green belt edge and nearby
- North Ockendon
- Bulphan
- Hornchurch
- Emerson Park
- Harold Wood
- South Ockendon
- Elm Park
- Rainham
- Great Warley
Nearby towns we also cover
Upminster questions
My picture freezes more in wet weather. Why?
Water is getting into the cable or a plug, usually at the aerial end, and the signal drops until it dries. Replacing that cable and sealing the joints fixes it.
All our TVs went off at once. What should I check?
Check the amplifier, often in the loft, has power and its light is on. If it does, suspect the cable down from the roof or the aerial itself, and we’ll find it with a meter.
Can you repair the TV feed to our annexe or barn?
Yes. We replace long or damaged cable runs with low-loss cable, seal outdoor joints and add amplification where it helps.
Do I need a new TV aerial or can mine be fixed?
Most faults are fixable: a plug, a cable, an amplifier or the alignment. We recommend a new aerial only when the old one is corroded, narrow-band or badly damaged.
Will you work on a TV aerial someone else installed?
Yes. We repair any aerial, amplifier, cable or socket, whoever fitted it.