Is it worth getting another radiator

torrevieja · 26-02-2020 2:11pm #1

Our small extension is up over 35 years it's only 7x11 feet, with French doors there about 12 years now but even with an average radiator on it does be cold, I know the flat roof is due to be changed shortly as evrytime the guarantee is up it leaks,
Ventilation could be better been some damp in here over the years
Has it come to a stage now we're it might be cheaper in the long run to just knock it down and get it rebuilt
The rest of house got the insulation in attic cavity etc but at time they said they really couldn't do extension ,

Any help really appreciated

torrevieja · 26-02-2020 10:34pm

Sorry Mods am I in the Right Forum?

Yellow_Fern · 26-02-2020 11:20pm

You are in the right forum.It is possible the radiator is too small. There are calculators for measuring this.

You could check for airtightness.

BryanF · 27-02-2020 1:09am

Can we have more detail about the construction of the a. floor b. wall & c. Roof. Construction? And d. When you had the Rads checked by a plumber last?

torrevieja · 27-02-2020 1:11am

Yellow_Fern wrote: »

You are in the right forum.It is possible the radiator is too small. There are calculators for measuring this.

You could check for airtightness.

How do I check for air tightness ?

torrevieja · 27-02-2020 1:14am

BryanF wrote: »

Can we have more detail about the construction of the a. floor b. wall & c. Roof. Construction? And d. When you had the Rads checked by a plumber last?

Ok it’s a wooden floor
Flat roof silver felt
Rads never checked but the one in that room is very hot
Think walls were 9x4 cavity but the dry lining may be inferior now
Ventilation prob not great

Sorry I’m not great at this construction

Idbatterim · 27-02-2020 2:24am

Is there the normal vent in the wall ?

sydthebeat · 27-02-2020 8:48am

Built 35 years ago screams inadequate or no insulation to me.

Its probably a flat roof with no insulation, and a cavity block wall dry lined with no insulation.

You can check for these easily enough though

If it's in a good structural state, consider removing the ceiling and wall plasterboard in order to retrofit insulation

torrevieja · 28-02-2020 12:03am

sydthebeat wrote: »

Built 35 years ago screams inadequate or no insulation to me.

Its probably a flat roof with no insulation, and a cavity block wall dry lined with no insulation.

You can check for these easily enough though

If it's in a good structural state, consider removing the ceiling and wall plasterboard in order to retrofit insulation

Sydthebeat everything you say there is screaming correct But there’s no wall plasterboard , who do I get to sort this the roofer

Claw Hammer · 03-03-2020 5:20pm

torrevieja wrote: »

Sydthebeat everything you say there is screaming correct But there’s no wall plasterboard , who do I get to sort this the roofer

You have uninsulated walls, quite likely three of them external. No wonder your room is cold. A higher output radiator is unlikely to be much of a help.

torrevieja · 03-03-2020 9:10pm

Ok I’m going to sort the insulation in morning

Is it worth getting another radiator

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