ONS rents & HM Land Registry prices — England & Wales

Rental yields & buy-to-let in SW1A: Westminster, London

The ONS mean private rent across Westminster is £3,149 a month (ONS PIPR, edition published 20 May 2026), but we did not return a recent HM Land Registry median sold price for SW1A on the last refresh, so the area gross yield is unavailable.

Indicative, area-level gross yield (LA rent ÷ outcode median price). Not an address-level or net figure.

Prime central London around Westminster and St James's, one of the UK's most expensive markets.

Rent vs price in SW1A

The yield is built from two real published figures — the ONS mean private rent for Westminster and the HM Land Registry median sold price for SW1A:

FigureValueSource & granularity
Mean monthly rent£3,149ONS PIPR — Westminster (LA-level)
Annualised rent£37,788rent × 12
Median sold price—HM Land Registry — SW1A (outcode-level)
Indicative gross yield—annual rent ÷ median price

ONS records rents across Westminster falling +3.6% over the past year.

Gross yield is before mortgage interest, voids, management, maintenance, ground rent / service charge and tax. Net yield is materially lower.

Mean rent by bedrooms in Westminster

Property sizeMean monthly rent
1 bedroom£2,505
2 bedrooms£3,253
3 bedrooms£3,831
4+ bedrooms£5,360

ONS Price Index of Private Rents mean rent by bedroom category for Westminster, ONS PIPR, edition published 20 May 2026. Figures are local-authority level.

Buy-to-let context for SW1A

A yield is only half the picture. Buy-to-let and second homes pay the additional-property SDLT surcharge — currently +5 percentage points on every band on top of the standard residential rates (England & Northern Ireland). No recent HM Land Registry median sold price was returned for SW1A. Use your intended purchase price in the calculator instead.

Area screening

Insurability flag for the SW1A area

This screen brings together available flood and ground records at the representative point for SW1A. Use the source findings below to identify questions for the property's surveyor, insurer or lender. Missing source results remain unknown.

flood: recorded nearby · coal: no point match · subsidence: Probable · radon: 1/6

Flood

recorded flooding nearby

Coal mining

outside the queried coal coverage

Subsidence

clay-subsidence change Probable

Radon

radon band 1/6 (below Affected-Area threshold)

Hazard risk is mapped below outcode level — these flags describe the area, not a single property. Check the exact address with the tools below.

Check the available records for one SW1A address

The £24.99 Complete report brings together available property risks and neighbourhood context in a PDF for one address. It explains public-source findings, coverage gaps and questions to investigate further. Your PDF is sent by email.

Frequently asked questions

What is the rental yield in SW1A?

We could not compute a gross yield for SW1A because a required input was unavailable on the last data refresh. The ONS mean rent for Westminster is £3,149/month.

How is this yield calculated?

Gross yield = annual rent ÷ price. We publish this area indicator only when both an ONS local-authority mean rent and an HM Land Registry outcode median are available. A required input is missing on this refresh, so no area yield is shown.

What about buy-to-let stamp duty in SW1A?

Buy-to-let and second homes pay the additional-property SDLT surcharge — currently +5 percentage points on every band on top of the standard residential rates (England & NI). No recent HM Land Registry median sold price was returned for SW1A. Use your intended purchase price in the calculator instead. Use the HouseCheckup stamp-duty calculator with the additional-property toggle.

Are there flood, coal or subsidence risks that affect insurability in SW1A?

flood: recorded nearby · coal: no point match · subsidence: Probable · radon: 1/6 For a landlord these are insurability and mortgageability questions, not just safety ones — a flood or subsidence flag can raise premiums or narrow the lender pool. This is an area-level screen at the representative point for SW1A; risk varies street by street, so check the exact address before you offer.

Rental yields in nearby areas

← All UK rental yields

Sources

Rent data: ONS Price Index of Private Rents (PIPR), April 2026. Contains public sector information licensed under the Open Government Licence v3.0. Flood data © Environment Agency copyright and/or database right 2026 (OGL v3.0). Flood Re eligibility based on floodre.co.uk criteria — indicative only; insurers make final decisions. Contains Mining Remediation Authority data © Mining Remediation Authority, licensed under the Open Government Licence v3.0. Contains British Geological Survey materials © UKRI 2026 (GeoClimate UKCP18 Open). Indicative Atlas of Radon — © Crown copyright UKHSA; contains British Geological Survey materials © UKRI. Open Government Licence v3.0.

Yield is indicative: an ONS local-authority mean rent against an HM Land Registry outcode median price. It is not an address-level or net figure and is not investment advice.