Why does this otherwise unremarkable house say "Building Outline"?

Fulwood Avenue Project

Lancashire Gospel Tent

M62 J18-19 Farm Access Bridge

onosm.org submitted note from a business:
name: Carsmetic Surgery
phone: 01204 778 663
website: www.carsmeticsurgery,com
twitter: undefined
hours: Monday - Saturday 10am - 6pm
category: Car Wash,Automotive Shops,Wraps,Auto Detailing
address: BL3 2ND

Rope & Anchor

Salford Road Recycling Centre, Salford Road, Bolton, BL5 1DG

MRH Solicitors are a specialist team of experts across a range of legal services. Get the professional service you need with the understanding that counts.

Website:
https://www.mrhsolicitors.co.uk

Address :
Caroline House, 115-125 Bradshawgate, Bolton, BL2 1BJ

Phone Number:
+44 1204 535333

Contact Email ID:
[email protected]

Contact Name:
MRH Solicitors

on bridge

onosm.org submitted note from a business:
name: Manchester smart Repairs
phone: 01614012820
website: https://www.manchestersmartrepairs.co.uk
twitter: undefined
hours:
category: ,Auto Repair
address: 76 Clifton Street Kearsley Bolton, Greater Manchester BL4 8DL