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Full Freeview on the Crystal Palace (Greater London, England) transmitter

first published this on - UK Free TV
sa_streetviewGoogle Streetviewsa_gmapsGoogle mapsa_bingBing mapsa_gearthGoogle Earthsa_gps51.424,-0.076 or 51°25'26"N 0°4'32"Wsa_postcodeSE19 1UE


The symbol shows the location of the Crystal Palace (Greater London, England) transmitter which serves 4,490,000 homes. The bright green areas shown where the signal from this transmitter is strong, dark green areas are poorer signals. Those parts shown in yellow may have interference on the same frequency from other masts.

Are there any planned engineering works or unexpected transmitter faults on the Crystal Palace (Greater London, England) mast?

Crystal Palace transmitter - Crystal Palace transmitter: Possible effect on TV reception week commencing 04/12/2023 Pixelation or flickering on some or all channels Digital tick

Choose from three options: ■ List by multiplex ■ List by channel number ■ List by channel name

Which Freeview channels does the Crystal Palace transmitter broadcast?

If you have any kind of Freeview fault, follow this Freeview reset procedure first.

Digital television services are broadcast on a multiplexes (or Mux) where many stations occupy a single broadcast frequency, as shown below.

 H max
C23 (490.0MHz)324mDTG-200,000W
Channel icons
1 BBC One (SD) London, 2 BBC Two England, 9 BBC Four, 23 BBC Three, 201 CBBC, 202 CBeebies, 231 BBC News, 232 BBC Parliament, plus 16 others

 H max
C26 (514.0MHz)324mDTG-200,000W
Channel icons
3 ITV 1 (SD) (London), 4 Channel 4 (SD) London ads, 5 Channel 5, 6 ITV 2, 10 ITV3, 13 E4, 14 Film4, 15 Channel 4 +1 London ads, 18 More4, 26 ITV4, 28 ITVBe, 30 E4 +1, 35 ITV1 +1 (London),

 H max
C30- (545.8MHz)324mDTG-200,000W
Channel icons
46 5SELECT, 101 BBC One HD London, 102 BBC Two HD England, 103 ITV 1 HD (ITV London), 104 Channel 4 HD London ads, 105 Channel 5 HD, 106 BBC Four HD, 107 BBC Three HD, 204 CBBC HD, 205 CBeebies HD, plus 1 others

 H max
C25 (506.0MHz)314mDTG-8200,000W
Channel icons
20 Drama, 21 5USA, 29 ITV2 +1, 32 5STAR, 33 5Action, 38 Channel 5 +1, 41 Legend, 42 GREAT! action, 57 Dave ja vu, 58 ITVBe +1, 59 ITV3 +1, 64 Blaze, 67 TRUE CRIME, 68 TRUE CRIME XTRA, 78 TCC, 81 Blaze +1, 89 ITV4 +1, 91 WildEarth, 209 Ketchup TV, 210 Ketchup Too, 211 YAAAS!, 267 Al Jazeera English, plus 35 others

 H max
C22 (482.0MHz)321mDTG-8200,000W
Channel icons
 Smithsonian Channel, 11 Sky Mix, 17 Really, 19 Dave, 31 E4 Extra, 36 Sky Arts, 40 Quest Red, 43 Food Network, 47 Film4 +1, 48 Challenge, 49 4seven, 60 Drama +1, 65 That's Christmas, 70 Quest +1, 74 Yesterday +1, 75 That's 90s, 233 Sky News, plus 11 others

 H max
C28- (529.8MHz)321mDTG-8200,000W
Channel icons
 Quest Red +1,  Classic Hits, 12 Quest, 25 W, 27 Yesterday, 34 GREAT! movies, 39 DMAX, 44 HGTV, 52 GREAT! christmas, 56 That's TV (UK), 61 GREAT! movies extra, 63 GREAT! christmas mix, 71 That’s 60s, 73 HobbyMaker, 82 Talking Pictures TV, 83 Together TV, 84 PBS America, 235 Al Jazeera Eng, plus 20 others

 H -10dB
C35 (586.0MHz)324mDTG-1220,000W
Channel icons
from 31st March 2014: 8 LONDON LIVE,

DTG-8 64QAM 8K 3/4 27.1Mb/s DVB-T MPEG2
DTG-12 QSPK 8K 3/4 8.0Mb/s DVB-T MPEG2
H/V: aerial position (horizontal or vertical)

Which BBC and ITV regional news can I watch from the Crystal Palace transmitter?

regional news image
BBC London 4.9m homes 18.4%
from London W1A 1AA, 12km north-northwest (335°)
to BBC London region - 55 masts.
regional news image
ITV London News 4.9m homes 18.4%
from London WC1X 8XZ, 11km north-northwest (345°)
to ITV London region - 55 masts.

Are there any self-help relays?

Charlton AthleticTransposerRedeveloped north stand Charlton Athletic Football Club130 homes
DeptfordTransposersouth-east London100 homes
GreenfordTransposer12 km N Heathrow Airport203 homes
HendonTransposerGraham Park estate50 homes
White CityTransposer9 km W central London80 homes

How will the Crystal Palace (Greater London, England) transmission frequencies change over time?

1950s-80s1984-971997-981998-20122012-1321 Mar 2018

tv_off Being removed from Freeview (for 5G use) after November 2020 / June 2022 - more
Table shows multiplexes names see this article;
green background for transmission frequencies
Notes: + and - denote 166kHz offset; aerial group are shown as A B C/D E K W T
waves denotes analogue; digital switchover was 4 Apr 12 and 18 Apr 12.

How do the old analogue and currrent digital signal levels compare?

Analogue 1-4 1000kW
SDN, ARQA, ARQB, BBCA, D3+4, BBCB(-7dB) 200kW
com7(-13.7dB) 43.1kW
com8(-14dB) 39.8kW
Mux 1*, Mux 2*, Mux A*, Mux B*, Mux C*, Mux D*, LW(-17dB) 20kW

Which companies have run the Channel 3 services in the Crystal Palace transmitter area

Sep 1955-Jul 1968Associated-Rediffusion†
Sep 1955-Jul 1968Associated TeleVision◊
Jul 1968-Dec 1992Thames†
Jul 1968-Feb 2004London Weekend Television♦
Jan 1993-Feb 2004Carlton†
Feb 2004-Dec 2014ITV plc♦
Feb 2004-Dec 2014ITV plc†
Feb 1983-Dec 1992TV-am•
Jan 1993-Sep 2010GMTV•
Sep 2010-Dec 2014ITV Daybreak•
• Breakfast ◊ Weekends ♦ Friday night and weekends † Weekdays only. Crystal Palace was not an original Channel 3 VHF 405-line mast: the historical information shown is the details of the company responsible for the transmitter when it began transmitting Channel 3.

Saturday, 1 October 2011
David Linkson
1:41 PM

My HD channels have fluctuating quality strength, standard freeview signal is very good at New Addington.
I have a loft aerial and have tweaked it's direction and checked connections,but to no avail, do I need a signal booster? any suggestions please.

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David Linkson's 1 post GB flag
David's: mapD's Freeview map terrainD's terrain plot wavesD's frequency data D's Freeview Detailed Coverage

5:10 PM

David Linkson: I would have a try at repositioning your aerial within the loft, as in many cases even moving it a few feet either way can prove to be very beneficial, that is provided you have some means of monitoring what's happening during the movement of the aerial.

However another possible reason exists for your problem, that being interference from Sandy's temporary use of transmission on Mux Ch31, this being the same frequency as used by the Crystal Palace HD service.

Although admittedly its usually people who reside to the North of London that can be plagued by this, the signal from Sandy could be fluctuating due to the atmospheric conditions prevailing and causing it to rise to a level that has started to affect reception in your area.

There really isn't anything you can do to rectify this situation, as any alterations to the aerial would also assist the station that's causing the problem.

link to this comment
jb38's 7,179 posts GB flag
Bob Smith
7:59 PM


Thanks for reply. Sorry but didn't make things clear in my post. Both TV's have their own aerial. One pointed to Sudbury. The other (with the problem) and a Freeview box to C. Palace.

Postcode : CM1 6J* (1st 5 chrs)
(Springfield area of Chelmsford)

Believe what is happening (again today) is high quality Sudbury channels in 800 series + 301 Red button being picked up from C. Palace aerial - ? if transmitted from C. Palace for testing prior to C/over in 2012.

These then removed in early hours i/c 301. Believe Sudbury 301 overwrites C. Palace 301 in my Freeview box. Then removed when Sudbury channels removed. Leaving no C. Palace 301 in my Freeview box.

I manually add channel 301 each morning and it stays all day.


link to this comment
Bob Smith's 6 posts GB flag
Sunday, 2 October 2011

9:18 AM

Do you have a wideband aerial? If so, it is quite possible that the aerial's front to back ratio is not very good. In other words, it can pick up quite a lot of signal from the back.

You could be better off with the one aerial on Sudbury with a 2 way amplifier/splitter feeding both televisions.

What channels end up in the 800s? Which signals are the most reliable?

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Matt's 101 posts GB flag
Monday, 3 October 2011
Bob Smith
11:04 AM



Possibility it's my aerial - it's wideband and over 20 years old - so will renew if needed - problems only started a couple of weeks ago.

Doubt if I'll go for an amplifier / splitter as it will require a lot of cabling.

At 0900 today did a Auto Channel search on my "London" TV with Freeview box. Picked up 23 "East Anglia" channels in the 800 series - all Ch 41 & Ch 44 with good quality signals.
(At 11.00 the 800 series still there)

Then plugged my other TV into the "London" aerial this morning and did a new channel search. Same result as above.


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Bob Smith's 6 posts GB flag
Mike Dimmick

12:19 PM

Mark Heselden: The boundaries between this site's predicted 'best' area for one transmitter and another are fairly arbitrary and probably wrong - like most of the predictions, because far too much of the information is kept private by the broadcasters/transmitter owner.

In this case, it's because the coverage area is divided - by the tool that generated the map - between Crystal Palace and Croydon. Croydon only normally transmits Channel 5, although in a dire emergency it can transmit the main four analogue channels (Crystal Palace's own reserve antenna and transmitters would have to fail first). So this line is completely erroneous.

There's an analogue coverage area map dating from the 1980s at mb21 - Transmitter Information - Crystal Palace - this was measured, rather than predicted. Post-DSO digital TV coverage should be substantially similar.

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Mike Dimmick's 2,486 posts GB flag
Clive Jenner
3:21 PM

Hi I have a Humax PVR9200T on the Crystal Palace mast. For the last week or two I have had a nag message advising of the need to retune when first switching on the PVR from standby each morning. Having taken advice from Humax I have done a retune automatically and also manually using the Crystal Palace channels. Humax are at a loss as they cannot understand why I still get the retune nag message! Any one on here suffering the same problem? Regards Clive

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Clive Jenner's 2 posts GB flag
Bob Smith
4:33 PM


Ref. my earlier post today...

The 800 series channels on my "London" TV had been removed by 13.00 together with 301 "Red Button" - the latter I added manually.


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Bob Smith's 6 posts GB flag
Mark Heselden

7:23 PM

Mike Dimmick: Very good map. Thanks, Mike. (51.14,-000.04) 

link to this comment
Mark Heselden's 21 posts GB flag

7:32 PM

Bob: You either have to buy channel filters to only allow one transmitter through. A - E Masthead Combiner / Diplexer is one. For sudbury only, put the cable into the E socket and the output wire into the com. For crystal palace only, you should plug the aerial into the A section.

Or- build a stacked array to phase cancel the other signals. Personally, I think option 1 will be easier.

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Matt's 101 posts GB flag
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