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Property investment stats for Swanley, South East

A complete guide to property investment in Swanley.

Last updated: 11 May 2026

Investment summary

Swanley offers a balanced investment environment, with a property market that has shown resilience over the past three years. Investors will note the annualised growth over three years of 3.1%, indicating steady appreciation despite a 1-year capital growth of -0.1%. The market appears liquid, as properties spend an average of 48 days on the market, and the median discount to asking price is £0 (the typical achieved discount), suggesting sellers achieve their price expectations.

Affordability is a mixed picture: the price-to-income ratio of 6.5 is moderate for the region, while the rent-to-income ratio of 30.0% may stretch some tenants. The area is dominated by families (in the 87th percentile nationally), with a low share of private renters and a high proportion of social housing. This demographic mix shapes both demand and rental dynamics.

Image of Swanley, South East

Key investment stats for Swanley

Median price per sq ft

£426 / sq ft

Average rental yield

5.3%

Capital growth (1y)

-0.1%

Sales in past year

191

* Property stats calculated for last full calendar year (2024).

Live property stats in Swanley

Live prices in Swanley, South East

* Extreme prices clipped for legibility

Properties for sale

Median price

£413,950

25% of properties below...

£299,975

75% of properties below...

£600,000

Most expensive property

£1,500,000

Live listings

123

Median days on market

48

Should you invest in Swanley?

Opportunities

  • Investors can benefit from strong rental yields of 5.3%, which are competitive for the South East.
  • The market is fast-moving, with properties selling in 48 days, and most achieving their asking prices (£0 (the typical achieved discount)), which supports liquidity.
  • Family homes are in high demand, as shown by the area's position in the 87th percentile for families nationally, helping underpin both sales and rental demand for larger properties.

Risks

  • The 1-year capital growth of -0.1% suggests short-term price movement has been flat, so investors focused on rapid appreciation may need to be patient.
  • The low proportion of private rented housing (in the 6th percentile) means the rental market is relatively small, potentially limiting tenant choice and competition.
  • The rent-to-income ratio of 30.0% is on the higher side, which could constrain future rental growth if affordability is stretched further.

Outlook

Looking ahead, Swanley is likely to remain a family-focused market, with demand for three-bedroom houses supported by demographic trends. The median sale price for a 3-bedroom house of £417,500 and median rent of £2,000 reflect this ongoing interest. Investors can expect stable returns, with annualised growth over three years of 3.1% suggesting a steady, if unspectacular, pace of capital appreciation.

Liquidity should remain strong, given the current days on market of 48 days and sellers' ability to achieve their asking prices. While the rental market is not large, strong yields of 5.3% and limited supply could keep rents resilient. Overall, Swanley offers a mildly positive outlook for investors who value stability and reliable demand over rapid growth.

Live properties in Swanley

Investment properties in Swanley, South East

1 bedroom flat for sale
24% below median price

£180,000 - Offers in Excess of

1 bedroom flat for sale

Berkeley Court, Nightingale Way, Sw...

Properties needing refurbishment in Swanley, South East
Needs Refurb
2 bedroom flat for sale
On market for 177 days

£533,950

2 bedroom flat for sale

Burlington Lodge, Birchwood Park Av...

Slow to sell properties in Swanley, South East
Slow to Sell
5 bedroom detached house for sale
2,072 sq ft

£1,200,000 - Offers Over

5 bedroom detached house for sale

Birchwood Park Avenue, Swanley, Ken...

Properties with planning granted in Swanley, South East
Planning Granted
1 bedroom flat for sale
46% below median price

£115,000

1 bedroom flat for sale

Inglewood, The Spinney, Swanley

Low price-per-sq-ft properties in Swanley, South East
Low Price per Sq Ft

Achieved vs asking prices

Key takeaway: Seller's market

Vendors are holding firm; properties tend to sell at close to asking.

Headline stats

• Median discount: £0

• 1 in 4 properties sell at > £5,000 below asking

• 1 in 10 properties sell at > £16,750 below asking

In percentage terms:

• Median discount of 0.0%

• 25% of properties discounted by > 1.9%

• 10% of properties discounted by > 4.3%

Best places to invest in Swanley

Top postcodes for rental yield and (annualised) capital growth

Rank
Postcode
Yield
Capital growth
Median £/sq ft
1BR85.1%3.1%£434 / sq ft

Nearby and related areas

Data sources

GeoGlider calculates property investment stats by blending official and proprietary datasets. Here's a quick overview of key sources and how we use them:

  • HM Land Registry: Property transaction and sold-price records for England & Wales used to calculate historical capital growth, price levels and comparables.

  • Office for National Statistics (ONS): Demographic and economic indicators for the UK, including Census 2021, supporting area profiling and market context.

  • Ordnance Survey: Authoritative UK geospatial data powering accurate boundaries, roads and terrain for mapping and spatial analysis.

  • GeoProp: Our proprietary AI pipeline that processes millions of property listings to extract rich features and live market signals.

  • Department for Levelling Up, Housing & Communities: Energy Performance Certificate (EPC) scores and property floor areas.

  • HM Revenue & Customs (HMRC): Household income and employment data to understand local affordability and economic conditions.

Data is updated continuously, matched across sources and rigorously validated.