marketcodeSN5 property market
Median asking price £262,500 in Aug 2026, across 88 listings. Median completed sale price £347,869 in Jul 2026, across 17 registered sales. Median asking rent £1,100 pcm in Aug 2026, across 39 adverts. Gross asking yield 0.1% in Aug 2026, across 39 cells.
Each figure below carries the month it was measured in and the sample it was measured from.
The measured position
Published indexes
Asking price index: every observed month 36 rows
| Month | Asking price index · index (2022M01 = 100) | Month on month |
|---|---|---|
| 101.4 | -2.3% | |
| 103.8 | +1.1% | |
| 102.7 | +0.3% | |
| 102.3 | +0.7% | |
| 101.6 | -1.5% | |
| 103.2 | +0.6% | |
| 102.6 | -2.1% | |
Modelled index, observed and forecast
The index is measured in points against its base period, not in pounds. Rows marked as a model forecast are not completed sales.
House price index · index_method repeat_sales_smoothed · 1995-01 = 100 · observed through 2025-12
| Month | Index | Interval | Basis |
|---|---|---|---|
| 518.4 index | 465.5 index to 579.1 index | Model forecast | |
| 518.4 index | 463.3 index to 575.5 index | Model forecast | |
| 518.4 index | 460.4 index to 573.6 index | Model forecast | |
| 518.4 index | 462.1 index to 569.6 index | Model forecast | |
| 513.1 index | 492.6 index to 541.4 index | Model forecast | |
| 513.1 index | 493.2 index to 540.6 index | Model forecast | |
| 513.1 index | 491.4 index to 539.1 index | Model forecast | |
| 513.1 index | 492 index to 537.6 index | Model forecast | |
| 513.1 index | 491 index to 535.4 index | Model forecast | |
| 514.4 index | 493.3 index to 533.7 index | Model forecast | |
| 514 index | 492.8 index to 529.9 index | Model forecast | |
| 513.5 index | 496 index to 526.7 index | Model forecast | |
| 513.1 index | — | Observed | |
| 513.4 index | — | Observed | |
Who is selling, and how fast
Aug 2026
- Active agents
- 26
- Agent concentration (HHI)
- 17%
- Top three agents’ share
- 53%
Monthly statistics from portal listings by area and bedroom band. listings_added_n is the NEVER-REDUCED cohort dated by 'Added on' and undercounts new listings by reduction_share, by construction; listings_reduced_n is dated by the last reduction. Asking distributions are of what came to market that month. Yields: gross_yield_asking is cell rent x 12 over the same cell's asking price; gross_yield_avm_median is per UPRN-matched listing against the unit's AVM value. asking_to_sold and days_to_completion are on listings the registry matched to a sale within 18 months (sold_matched_n) — a match-rate-limited subset, NOT a sell-through rate.
marts_facts.listing_market
days_to_completion is on the registry-matched subset (sold_matched_n), not a sell-through rate.
Nearest districts in Wiltshire
The extract publishes no centroid for these areas, so the neighbours shown are the districts immediately either side of SN5 in this authority’s own ranking.
Registered sales, 12 months: Count of registered completions summed over the whole-month window below. Source: MarketCode market_ranking (HM Land Registry Price Paid).
Residential stock: Addressable residential units in the district. Source: MarketCode market_ranking.
Turnover rate: Sum of sales divided by mean stock over the window. Exact, not weighted. Source: MarketCode market_ranking (HM Land Registry Price Paid).
How to read SN5’s evidence
The advertised sale cohort in SN5 has a median asking price of £262,500 in Aug 2026, from a sample of 88. That is what sellers are asking, measured across the properties advertised in that month, and the set of properties advertised changes every month. 60 adverts were first observed in Aug 2026. 28 carried a recorded asking-price reduction in the same period.
Registered completions in SN5 have a median of £347,869 in Jul 2026, from a sample of 17. Completions are registered after they complete, so this month and the advertised month above are different cohorts of different properties, and the two medians are reported side by side rather than compared. 17 completions were registered in Jul 2026. Turnover ran at 0.1% in Jul 2026, from a sample of 17 of the area’s stock.
Advertised monthly rent has a median of £1,100 pcm in Aug 2026, from a sample of 39. Advertised rent is not achieved rent. The published gross asking yield for SN5 is 0.1% in Aug 2026, from a sample of 39, which sets area rents against area asking prices before any cost: vacancy, finance, maintenance, management and acquisition costs are all outside it, and it is not a forecast of the return on one property. 628 adverts were observed live in Sep 2026; Counted forward from our first observation of this area; adverts live before that date are not counted.
Asking price index, in the warehouse’s own words: “Hedonic (mix-adjusted for property type, bedrooms and new-build, within each local authority) index of ASKING prices from portal listings, 2022M01 = 100, smoothed toward the parent geography with posterior standard errors. Asking, not sold: it leads the repeat-sales index and includes what never sells. Rightmove is ~95% of the corpus. Published for the whole area; there is no bedroom cohort for this index.” The index is a level against its base period, not a price.
Sources, coverage and calculation basis
- Median asking price
Median ASKING price of residential sale listings that came to market in the month, from portal listings (Rightmove ~95%). Asking, not achieved.
- Decision: published
- Sample: 88
- Source: marts_facts.listing_market
- Median asking rent / month
Median ASKING rent (per calendar month) of residential lettings that came to market in the month, from portal listings. Asking, not achieved.
- Decision: published
- Sample: 39
- Source: marts_facts.listing_market
- Median completed sale price
Empirical-Bayes smoothed median of UPRN-matched completed sales (HM Land Registry Price Paid) for this cohort, monthly, from marts_facts.area_facts.
- Decision: modeled
- Sample: 17
- Source: marts_facts.area_facts
- Gross asking yield
Cell asking rent x 12 over the same cell's asking sale price, before costs, as published in marts_facts.listing_market.gross_yield_asking.
- Decision: published
- Sample: 39
- Source: marts_facts.listing_market
- Active listings
Count of LIVE portal listings on the day. Observed forwards from 2026-09-05; the portal records no exit dates so it cannot be reconstructed for the past.
- Decision: published
- Sample: 628
- Source: marts_facts.listing_stock_snapshot
- New listings
Listings first seen ('Added on') in the month and never reduced. This is the never-reduced cohort and undercounts new listings by the reduction share, by construction.
- Decision: published
- Sample: 60
- Source: marts_facts.listing_market
- Price reductions
Listings whose last price reduction was in the month. `share` is reductions / (added + reduced).
- Decision: published
- Sample: 28
- Source: marts_facts.listing_market
What is not published here, and why
Everything the warehouse does not publish for this area, with the reason it gave. A number missing from this page is missing because it was not measured, not because it was hidden.
- Bedroom cohorts
- Bedroom cohorts are not published for this area in the current extract: a banded cohort resolves to the whole-area row, and repeating the parent’s number under six headings would state six measurements where there is one.
- Authority-grain totals
- Registered sales are counted per postcode district. Summing them across a local authority would be a total nobody measured, so no authority-grain figure is published beside the district here.
- How this page was selected
- Selected on registered sales volume from the committed snapshot — a registry-volume proxy, not an evidence test.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
Take this further
- Live listings in SN5Opens the listing search on this area, at the cohort this page describes.
- Registered transactions in SN5Opens the transaction search on this area, so every completion behind the medians above can be read individually.
- Open SN5 on the mapThe same evidence against boundaries, planning and land.
Explore within SN5
No smaller published areas sit inside SN5.