in my area (Pontypridd,south wales) that house would be valued at approx £130,000.i would charge £8 per clean 4 weekly.10 miles away north Cardiff value would be anywhere up to £300,000.
That house would never be £130.000 in Pontypridd! more like £200.000. In cardiff probably £250.00
In Cardiff i would charge £14.00