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House prices in SL1 in 2025

Last year, we saw 559 properties sold in the area, with an average house price of £399,299. This represents a decrease of -16.94% in the volume of transactions year on year. Meanwhile the average selling price saw a decrease of -42.39% in the same period. The average value add score for the area is 57.

18940 properties

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Darjeeling House Flat 73 Memorial Avenue

Flat
Leasehold

£361,915 • Est. today

£370,000 • May 2022

35

Potential to add value is

Low

Darjeeling House Flat 52 Memorial Avenue

Flat
Leasehold

£352,205 • Est. today

£352,963 • May 2022

35

Potential to add value is

Low

1 Flat 14 William Street

Flat
Leasehold

£200,500 • Est. today

£200,000 • May 2022

35

Potential to add value is

Low

How much value will my extension add?

Darjeeling House Flat 39 Memorial Avenue

Flat
Leasehold

£276,025 • Est. today

£266,400 • May 2022

35

Potential to add value is

Low

19 Alder Close

Semi Detached
Freehold
108 SQM

£409,585 • Est. today

£407,500 • May 2022

+ 1 more

80

Potential to add value is

High

29 The Spur

Detached
Freehold
162 SQM

£757,550 • Est. today

£760,000 • May 2022

+ 2 more

50

Potential to add value is

Medium

42 Walpole Road

Flat
Leasehold
39 SQM

£188,699 • Est. today

£174,000 • May 2022

+ 4 more

60

Potential to add value is

Medium

Darjeeling House Flat 61 Memorial Avenue

Flat
Leasehold

£360,755 • Est. today

£360,000 • May 2022

35

Potential to add value is

Low

Darjeeling House Flat 64 Memorial Avenue

Flat
Leasehold

£367,780 • Est. today

£379,800 • May 2022

35

Potential to add value is

Low

31 Francis Way

Semi Detached
Freehold
74 SQM

£434,775 • Est. today

£425,500 • May 2022

+ 3 more

80

Potential to add value is

High

Darjeeling House Flat 29 Memorial Avenue

Flat
Leasehold

£354,920 • Est. today

£362,400 • May 2022

35

Potential to add value is

Low

Darjeeling House Flat 43 Memorial Avenue

Flat
Leasehold

£359,015 • Est. today

£355,300 • May 2022

35

Potential to add value is

Low

7 Chiltern Road

Semi Detached
Freehold
97 SQM

£605,882 • Est. today

£570,000 • May 2022

70

Potential to add value is

Medium

31 Gladstone Way

Flat
Leasehold
43 SQM

£186,978 • Est. today

£175,000 • May 2022

+ 3 more

60

Potential to add value is

Medium

121a Lower Cippenham Lane

Semi Detached
Freehold
99 SQM

£487,530 • Est. today

£477,000 • May 2022

70

Potential to add value is

Medium

101a Upton Road

Semi Detached
Freehold
217 SQM

£748,360 • Est. today

£740,000 • May 2022

+ 1 more

60

Potential to add value is

Medium

Aspire, 55 Flat 2 Herschel Street

Flat
Leasehold
72 SQM

£200,500 • Est. today

£200,000 • May 2022

40

Potential to add value is

Low

1 Lambourne Close

Detached
Freehold
222 SQM

£1,125,630 • Est. today

£1,050,000 • May 2022

+ 1 more

70

Potential to add value is

Medium

Darjeeling House Flat 48 Memorial Avenue

Flat
Leasehold

£268,320 • Est. today

£261,600 • May 2022

35

Potential to add value is

Low

Nashdom 13 Nashdom Lane

Flat
Leasehold
145 SQM

£998,432 • Est. today

£970,000 • May 2022

+ 2 more

37

Potential to add value is

Low

Darjeeling House Flat 62 Memorial Avenue

Flat
Leasehold

£367,020 • Est. today

£373,125 • May 2022

35

Potential to add value is

Low

Elvian House Flat 39 Nixey Close

Flat
Leasehold
34 SQM

£209,470 • Est. today

£208,000 • May 2022

+ 1 more

33

Potential to add value is

Low

59 Bower Way

Flat
Leasehold
71 SQM

£322,045 • Est. today

£320,000 • May 2022

+ 3 more

60

Potential to add value is

Medium

Darjeeling House Flat 65 Memorial Avenue

Flat
Leasehold

£366,370 • Est. today

£377,225 • May 2022

35

Potential to add value is

Low

36 Adelphi Gardens

Flat
Leasehold
55 SQM

£278,085 • Est. today

£270,000 • May 2022

+ 2 more

60

Potential to add value is

Medium

Where does this data come from?

The property price data for England and Wales that you see on our website is sourced primarily from HM Land Registry's Price Paid Data. This dataset is the one source of truth for most of the country’s residential property transactions. Where available, we’ve enhanced this with information gathered from Energy Performance Certificate (EPC) data and then further added to it with records from various trusted additional sources. This material was last updated on October 7, 2024.

Some of the figures you see above, such as the Value Potential score are constructed using our own proprietary algorithmic modelling. They are most decidedly estimates, and may be off the mark. Please use this information cautiously, and as a guide only. If in doubt, and certainly before putting in an offer anywhere, please speak with your local estate agent to get a better understanding of the property’s valuation.

SL1 house prices in 2025
 

Number of properties sold

Planning approval rate

65% approval rating on 2815 planning applications in the past 5 years