Overview
Carnegie is an estate and letting agent based at 131 Handside Lane, Welwyn Garden City, AL8 6TA. It is an independent, single-office business on our register. The registered business name is Carnegie House Letting Limited. Companies House number 04713968. It belongs to The Property Ombudsman redress scheme.
Between 2021 and 2025 home.co.uk recorded Carnegie in 1 local agent league table on 2 occasions. At its best it ranked 16th of 20+ agents in SE27 (September 2025), with 2 homes for sale of 163 in the area (1% share). In the most recent capture (September 2025) it was 16th of 20+ in SE27 with 2 homes, a 1% share.
Homes in the AL8 postcode district sold for a median £512,500 across 144 sales in the last 12 months. Across Welwyn Hatfield the average price is £448,681 (July 2026), +12.8% over ten years and 6.0× its January 1995 level. 13 estate and letting agent offices on the register are based in AL8.
Market position and ranking
How Carnegie has ranked against every other agent advertising homes in the same towns, from home.co.uk league tables captured by the Internet Archive between 2021 and 2025.
Homes for sale over time
Homes this branch was advertising, by town league table
Share of local stock
Its homes as a share of all homes for sale in the town
League position
Rank among all agents in the town (1 = most homes)
Ranking by location, latest capture
| Location | Captured | Rank | Homes for sale | Share of local stock |
|---|---|---|---|---|
| SE27 | 2025-09 | 16of 20+ | 2of 163 | 1% |
The SE27 market it trades in
20+ agents advertising 163 homes, average asking price £559,252, 17 new in the previous 14 days. home.co.uk, 2025-09-16.
All homes for sale in SE27
Total advertised by every agent, each capture
Average asking price in SE27
All agents’ homes for sale
| # | Agent | Homes | Share |
|---|---|---|---|
| 2 | WinkworthKnights Hill, London, SE27 0HY | 18 | 11% |
| 3 | Galloways282 Norwood Road, London, SE27 9AJ | 13 | 8% |
| 4 | Oaks Estate Agents172 - 176 Norwood Road, London, SE27 9AZ | 13 | 8% |
| 5 | Pedder270 Norwood Road, London, SE27 9AJ | 12 | 7% |
| 6 | PedderPissarro House, 77a Westow Hill, London, SE19 1TX | 9 | 5% |
| 7 | Stapleton LongWest Norwood,, London, SE27 9DJ | 8 | 5% |
| 8 | Jacksons Estate Agents1-3 De Montfort Parade Streatham High Road, London, SW16 1BU | 7 | 4% |
| 9 | Stirling Ackroyd5-7 Streatleigh Parade, Streatham High Road, London, SW16 1EQ | 6 | 4% |
| 10 | DextersDexters Streatham Estate Agents, 105 Streatham Hill, Streatham, London, SW2 4UG | 5 | 3% |
| 11 | Barnard Marcus120 Mitcham Lane, Streatham, London, SW16 6NS | 3 | 2% |
| 12 | FoxtonsWestow Hill, Crystal Palace, SE19 1TQ | 3 | 2% |
| 13 | Kinleigh Folkard & Hayward15-17 Westow Hill, London, SE19 1TQ | 3 | 2% |
| 14 | Northwood493 Norwood Road, London, SE27 9DJ | 3 | 2% |
| 15 | PurplebricksPurplebricks, 146 Freston Road,, London,, W10 6TR | 3 | 2% |
| 16 | Carnegie & AssociatesHandside House, Handside Lane, Welwyn Garden City, Herts AL8 6TA | 2 | 1% |
| 17 | HuntersMabel House, 10a Dartmouth Road, London, SE23 3XU | 2 | 1% |
| 18 | Pedder119 Dulwich Village, London, SE21 7BJ | 2 | 1% |
| 19 | 28218 High Road Leytonstone, London, E11 3HU | 1 | 1% |
| 20 | AcornWestow Street, London, SE19 3RW | 1 | 1% |
| 27 | The top 20 SE27 Estate Agents are listed below, along with the number of SE27 Properties For Sale in their respective property portfolios followed by their estimated market share (% of total SE27 property market). Buyers and sellers of SE27 property will probably find that these popular leading estate agents can offer above average market insight and property sales service. 1. Kinleigh Folkard & Hayward113 Rosendale Road, West Dulwich, SE21 8EZ | 20 | 12% |
Stock on the market
Stock breakdown coming
Homes for sale by price, bedrooms, property type, time on the market and postcode appear here once our crawler has read carnegieuk.com. Agents can speed this up by claiming the profile.
Sales performance
Asking price achieved and time to sell
We match each home an agent lists to its HM Land Registry completion to measure the price achieved against asking and the time from listing to completion. Results appear here once enough of this branch’s listings have completed, usually three to six months after we first read its website.
Reviews
Being collected: Google, Trustpilot, ESTAS, allAgents, Facebook. Ratings refresh every week.
Online presence
Profiles are found by reading the links on the agent’s own website. Follower counts and posting activity will be added as they are collected.
The local market
Average prices across Welwyn Hatfield since January 1995, and what has sold in AL8 in the last year. Welwyn Hatfield averages £448,681 in July 2026, +9.5% over five years and +12.8% over ten.
Average house price, Welwyn Hatfield
UK House Price Index, monthly
Homes sold each year, Welwyn Hatfield
Completed sales recorded in the House Price Index
Sales per month in AL8
HM Land Registry completions, last 12 months
What sold in AL8
Completions by property type, last 12 months
| Median sold price, AL8 | £512,500 | Sales, last 12 months | 144 |
|---|---|---|---|
| Detached | £882,000 | Semi-detached | £637,500 |
| Terraced | £465,000 | Flat | £266,000 |
Other agents in AL8
| Office | Type and group | Homes for sale |
|---|---|---|
| Ashtons | Estate and letting agentIndependent | — |
| Chewton Rose | Estate agentLeaders Romans Group | — |
| Connells | Estate and letting agentConnells Group | — |
| Country Properties | Estate and letting agentIndependent | — |
| FANASSA LIMITED | Letting agentIndependent | — |
| Haart | Estate agentLeaders Romans Group | — |
| Jed Equity Deals Ltd | Letting agentIndependent | — |
| Martin & Co (Herts)(ECP Lettings LTD) | Letting agentThe Property Franchise Group | — |
| Martin & Co (Welwyn Garden City) | Estate and letting agentThe Property Franchise Group | — |
| Putterills of Hertfordshire (Welwyn Garden City) | Estate agentIndependent | — |
| William H Brown | Estate and letting agentConnells Group | — |
| Wrights Property Agents Limited | Estate and letting agentIndependent | — |
All agents in Welwyn Hatfield · Demographics and area data on Property Data
Questions and answers
Is Carnegie a leading agent in SE27?
home.co.uk ranked it 16th of 20+ agents in SE27 by homes for sale in September 2025, with 1% of local stock.
Which redress scheme is Carnegie a member of?
The Property Ombudsman.
What do homes sell for near Carnegie?
A median £512,500 in AL8 over the last 12 months (HM Land Registry, 144 sales).
Sources and freshness
| Source | Coverage |
|---|---|
| home.co.uk agent league tables, via the Internet Archive | 2 snapshots, 2021–2025 |
| UK House Price Index, HM Land Registry (OGL) | Welwyn Hatfield, January 1995 to July 2026 |
| HM Land Registry Price Paid Data (OGL) | AL8, last 12 months |
| The Property Ombudsman and Property Redress Scheme registers | Office details, February 2026 |
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