London · Ultra-Prime Property Intelligence

Acquire the exceptional.
Guided by intelligence.

Private property search and acquisition for high-net-worth individuals. AI-driven analysis. Discreet execution. Mayfair, Kensington, Chelsea and Holland Park.

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What We Do

A complete acquisition service, from search to keys

We handle every stage of the property acquisition process with absolute discretion. Our clients expect more than a listing — they expect intelligence, strategy, and results.

◈
Private Property Search

We access on-market and off-market properties across ultra-prime London, curated to your precise brief. No irrelevant viewings. No time wasted.

⟁
AI Comparable Analysis

Every property is benchmarked against comparable transactions using our proprietary intelligence engine — price per sq ft, location score, yield potential and more.

⬡
Acquisition & Negotiation

We act exclusively on your behalf. Our agents negotiate from a position of data-backed confidence to secure the best possible terms.

◎
Portfolio Intelligence

Ongoing monitoring of your assets against the market. We track value, comparable sales, and emerging opportunities to keep you ahead.

Current Portfolio

Curated listings, updated daily

Mayfair Townhouse
Mayfair · W1K
9.4AI
£8,750,000
Park Street, Mayfair, London W1K
5Bedrooms
4Bathrooms
4,820Sq Ft
FreeholdTenure
£1,816 / sq ft
View →
Kensington Villa
Kensington · W8
8.7AI
£12,500,000
Hornton Street, Kensington, London W8
7Bedrooms
6Bathrooms
6,400Sq Ft
FreeholdTenure
£1,953 / sq ft
View →
Chelsea Apartment
Chelsea · SW3
9.1AI
£4,950,000
Cheyne Walk, Chelsea, London SW3
4Bedrooms
3Bathrooms
2,650Sq Ft
LeaseholdTenure
£1,868 / sq ft
View →
Holland Park House
Holland Park · W11
8.9AI
£6,250,000
Holland Park Avenue, London W11
5Bedrooms
4Bathrooms
3,800Sq Ft
FreeholdTenure
£1,645 / sq ft
View →
Mayfair Penthouse
Mayfair · W1J
9.8AI
£18,000,000
Berkeley Square, Mayfair, London W1J
6Bedrooms
5Bathrooms
7,200Sq Ft
FreeholdTenure
£2,500 / sq ft
View →
Kensington Apartment
Kensington · W8
8.5AI
£5,500,000
Campden Hill Road, Kensington, London W8
4Bedrooms
3Bathrooms
3,100Sq Ft
Share of FreeholdTenure
£1,774 / sq ft
View →
View All Properties
AI-Powered Intelligence

Every decision backed by data

Our proprietary intelligence engine automatically analyses every property against the market — calculating real value, identifying comparable transactions, and scoring investment potential. No other property service in London does this at this level.

⊕
Price Per Square Foot Benchmarking

Instantly see how any property compares against the area median, recent sales, and properties with similar specifications. Never overpay.

◈
Location Intelligence Scoring

Proximity to transport, schools, amenities and lifestyle factors combined into a single location score — weighted by what matters to you.

⟁
Automatic Comparable Matching

The system surfaces the 5 most relevant comparable properties — automatically matched on size, area, type, tenure and condition. No manual research needed.

◎
Investment Yield Projection

Using rental data and historical price growth, the AI projects indicative yield and capital appreciation — giving you a true long-term picture.

⟁ Live Analysis — Park Street, Mayfair W1K
AI Property Score: 9.4 / 10
Value
9.2/10
Location
9.7/10
Condition
8.8/10
Investment
9.1/10
£1,816
Per Sq Ft
−4.2%
vs Area Avg
3.8%
Est. Yield
Locations

Ultra-prime London, covered

01
Mayfair
W1K · W1J · W1S

London's most prestigious address. Georgian townhouses, modern penthouses and lateral apartments surrounding Hyde Park and Green Park.

Avg price / sq ft: £2,200 – £3,500
02
Kensington
W8 · W14

Grand stucco-fronted houses, embassy-district elegance and some of London's most coveted garden squares. Freehold stock at scale.

Avg price / sq ft: £1,800 – £2,800
03
Chelsea
SW3 · SW10

Riverside prestige from Cheyne Walk to Sloane Square. Chelsea benefits from exceptional lifestyle amenity and consistent capital growth.

Avg price / sq ft: £1,700 – £2,600
04
Holland Park
W11 · W8

Secluded Victorian mansions bordering 55 acres of private park. The most private of all prime addresses, with unmatched garden sizes.

Avg price / sq ft: £1,600 – £2,400
How It Works

Four steps to the right property

I
Private Brief

You share your requirements with a dedicated search agent. We work to your specification — budget, location, lifestyle, and investment goals.

II
AI Curation

Our engine scans Rightmove, Zoopla and off-market sources daily. Only properties matching your brief — with full AI analysis — reach your portal.

III
Guided Viewings

Your agent accompanies you with full comparable data in hand. Every viewing is purposeful. We handle all logistics and due diligence.

IV
Acquisition

We negotiate on your behalf, co-ordinate legal and financial parties, and manage the process to a smooth, discreet completion.

Search Agents

The people behind your acquisition

Each client is assigned a dedicated search agent with deep area expertise. Every agent works exclusively for buyers — never sellers.

A
Alexandra Pemberton
Senior Search Agent

15 years in ultra-prime London acquisitions. Previously at Savills Private Office. Specialist in off-market Mayfair and Kensington transactions.

Mayfair Kensington
J
James Whitmore
Search Agent

Focused on Chelsea and riverside properties. Extensive relationships with estate agents and private vendors across SW3 and SW10.

Chelsea South Kensington
S
Sophia Rajan
Search Agent

Data analyst turned search agent. Specialist in AI-driven market analysis and investment property selection across Holland Park and Notting Hill.

Holland Park Notting Hill
Private Enquiry

Begin your property search

All enquiries are handled with complete discretion. We respond within 4 hours during business hours.

London Office
Mayfair, London W1
Email
private@allansa.co.uk
Telephone
+44 (0)20 xxxx xxxx
Hours
Monday – Friday, 8am – 7pm
Saturday, 9am – 4pm
Discretion is paramount. All client information is held in strict confidence. We never share personal data with third parties. Our clients include private individuals, family offices and corporate entities — we understand the importance of privacy at every stage.