Ground floor rear
Wealden
· Semi Detached
· 2023
£74k
Excl VAT
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Maidstone
· Semi Detached
· 2024
£66k
Excl VAT
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Bromley
· Semi Detached
· 2022
£74k
Excl VAT
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Reigate and Banstead
· Terrace
· 2024
£77k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Reigate and Banstead
· Semi Detached
· 2024
£118k
Excl VAT
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Bromley
· Terrace
· 2024
£85k
Excl VAT
Average build cost for a ground floor rear extension is £70k - £90k
Build cost
£70k - £90k
The average cost of a project in the last 2 years.
Value-add
7-9%
The average value uplift of a project in the last 2 years.
Project length
8-9 months
The average time taken to complete a project in the last 2 years.
Planning approval
79%
The average approval rate of projects in the last 2 years.
Time to approval
60 days
The average number of days taken to approve a project in the last 2 years.
Number approved
169,462
The number of applications approved in the last 2 years.
Ground floor rear
Croydon
· Detached
· 2024
£65k
Excl VAT
Ground floor rear
Bromley
· Semi Detached
· 2024
£149k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Croydon
· End Of Terrace
· 2024
£59k
Excl VAT
Ground floor rear
Croydon
· Terrace
· 2022
£74k
Excl VAT
Ground floor rear
Croydon
· Semi Detached
· 2024
£93k
Excl VAT
Ground floor rear
Bromley
· Terrace
· 2024
£75k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Bromley
· Semi Detached
· 2022
£80k
Excl VAT
Ground floor rear
Bromley
· Semi Detached
· 2024
£105k
Excl VAT
Ground floor rear
Bromley
· Detached
· 2024
£44k
Excl VAT
Ground floor rear
Bromley
· Terrace
· 2023
£77k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Bromley
· Terrace
· 2022
£62k
Excl VAT
Ground floor rear
Bromley
· Terrace
· 2024
£93k
Excl VAT
Ground floor rear
Sutton
· Semi Detached
· 2024
£158k
Excl VAT
Ground floor rear
Bexley
· Detached
· 2023
£86k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Bexley
· Semi Detached
· 2024
£82k
Excl VAT
Ground floor rear
Croydon
· Terrace
· 2023
£81k
Excl VAT
Ground floor rear
Lewisham
· Terrace
· 2024
£88k
Excl VAT
Ground floor rear
Bromley
· Semi Detached
· 2022
£87k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Croydon
· End Of Terrace
· 2024
£77k
Excl VAT
Ground floor rear
Bromley
· Terrace
· 2024
£68k
Excl VAT
Ground floor rear
Sutton
· Semi Detached
· 2024
£97k
Excl VAT
Ground floor rear
Greenwich
· Terrace
· 2023
£78k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Croydon
· Terrace
· 2023
£52k
Excl VAT
Ground floor rear
Lewisham
· Terrace
· 2022
£76k
Excl VAT
Ground floor rear
Lewisham
· Semi Detached
· 2022
£71k
Excl VAT
Ground floor rear
Greenwich
· Terrace
· 2024
£93k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Greenwich
· Semi Detached
· 2025
£91k
Excl VAT
Ground floor rear
Merton
· Terrace
· 2023
£83k
Excl VAT
Ground floor rear
Lewisham
· Terrace
· 2023
£83k
Excl VAT
Ground floor rear
Lambeth
· Terrace
· 2023
£53k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Lewisham
· Semi Detached
· 2023
£93k
Excl VAT
Ground floor rear
Lambeth
· Terrace
· 2022
£67k
Excl VAT
Ground floor rear
Greenwich
· Semi Detached
· 2024
£73k
Excl VAT
Ground floor rear
Lewisham
· Terrace
· 2024
£78k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Lambeth
· Semi Detached
· 2024
£89k
Excl VAT
Ground floor rear
Epsom and Ewell
· Semi Detached
· 2022
£30k
Excl VAT
Ground floor rear
Lambeth
· Terrace
· 2024
£103k
Excl VAT
Ground floor rear
Merton
· Terrace
· 2024
£78k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
Ground floor rear
Lambeth
· Terrace
· 2023
£91k
Excl VAT
Ground floor rear
Greenwich
· Semi Detached
· 2022
£74k
Excl VAT
Ground floor rear
Greenwich
· End Of Terrace
· 2023
£63k
Excl VAT
Ground floor rear
Lambeth
· Terrace
· 2024
£91k
Excl VAT
AI images
Images are AI-generated for homeowner privacy
